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LIST OF

LIST OF

CHAPTE

1.1

1.2

Chapter 2

2.1

2.2

2.3

Chapter 3

3.1

3.2

3.3

Chapter 4

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

Chapter 5

5.1

5.2

5.3

Chapter 6

F ACRONYM

F TERMS ....

ER 1 INT

OERP Goa

Regulatory

2 SSO Cat

Category 1

Category 2

Category 3

3 Notificat

Notificatio

Notificatio

SSO Repor

4 SSO Respo

First Respo

Available E

Initial Resp

Containme

Sewage Es

Water Qua

Water Qua

SSO Notifi

5 Regulato

Multiple A

2-Hour No

Detailed R

6 Follow-u

MS .............

...................

TRODUCTI

als ...............

y Requireme

tegories .......

SSO..........

2 SSO..........

3 SSO..........

tion Procedu

n by Field S

n from Pum

rting Proced

onse Program

onder Priorit

Equipment .

ponse ..........

ent or Bypass

stimation .....

ality Samplin

ality Monitor

ication Signa

ory Reportin

Appearance P

otification to

Reporting Req

up Activities

TABLE O

....................

....................

ION .............

....................

nts ...............

....................

....................

....................

....................

ures ..............

Staff or the P

mp Station SC

dures and Co

m ................

ties ..............

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s ..................

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ng for SSOs

ring Plan for

age ..............

g .................

Points – Sing

Regulatory

quirements ..

s ...................

OF CONTE

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Public ...........

CADA Alarm

ontact Numb

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less than 50

r SSOs equal

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gle SSO .......

Agencies of

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ENTS

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ms ...............

ers ...............

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0,000 gallons

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ichardson Bw Emergen

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y District nse Plan

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....... i

...... ii

... 1-1

... 1-1

... 1-1

... 2-1

... 2-1

... 2-1

... 2-1

... 3-1

... 3-1

... 3-3

... 3-3

... 4-1

... 4-1

... 4-2

... 4-2

... 4-5

... 4-5

... 4-6

... 4-7

... 4-7

... 5-1

... 5-1

... 5-1

... 5-1

... 6-1

6.1

6.2

6.3

6.4

6.5

Chapter 7

7.1

7.2

7.3

Chapter 8

8.1

8.2

Chapter 9

TABLES

Table 1-1

Table 5-1

FIGURE

Figure 1-

Figure 3-

Figure 3-

Figure 3-

Figure 4-

APPEND

Appendix

S

Appendix

S

S

Clean Up a

Claims for

Impact to W

SSO Techn

Failure An

7 Commun

General Co

Public Not

Public Not

8 SSO Doc

Internal Do

Failure An

9 Training

S

1. SSO Resp

1. SSO Repo

ES

-1. SSO Cate

-1. SSO Not

-2. SSO Resp

-3. SSO Resp

-1. SSO Resp

DICES

x OERP-A

SMP and Fi

x OERP-B

SO Report F

SO Volume

and Disinfec

Backups int

Waters of Un

nical Report

alysis .........

nications wit

ommunicatio

tification of S

tification of S

cumentation

ocumentation

alysis Invest

g ..................

ponse Summ

orting Requi

egories and D

ification Pro

ponse Chain

ponse Chain

ponse Activ

irst Respond

Form

Estimation

ction .............

to a Building

nited States .

....................

....................

th the Public

ons ...............

Spills that do

Spills that R

n ...................

n of SSOs ...

tigation .......

....................

mary

rements

Definitions

ocess

n of Commun

n of Commun

vities

der Contact L

Methods

....................

g ..................

....................

....................

....................

c ..................

....................

o not Reach

Reach Waters

....................

....................

....................

....................

nication (Du

nication (No

List

RiOverflow

....................

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Public Wate

s of the Unit

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uring Busine

on-Business


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ers ...............

ted States .....

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ess Hours)

Hours)


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... 6-1

... 6-2

... 6-2

... 6-3

... 6-3

... 7-1

... 7-1

... 7-1

... 7-2

... 8-1

... 8-1

... 8-1

... 9-1

E

Appendix

W

T

Example SSO

x OERP-C

Water Quality

Template for

O Notificatio

y Monitoring

SSO Techni

on Sign(s)

g Program

ical Report

RiOverflow


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y District nse Plan

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BACWA

Cal OES

CCTV

CFR

CIWQS

FOG

GPM

LRO

MGD

MRP

NPDES

OERP

RBSD

R/R

RWQCB

SASM

SSMP

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SWRCB

WDR

A Bay A

Office

Close

Code

Califo

Fats, O

Gallon

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Millio

Monit

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Sewer

Sewer

Sanita

State W

Gener

Area Clean W

e of Emergen

d-Circuit Te

of Federal R

ornia Integra

Oils and Gre

ns per Minut

ly Responsib

on Gallons p

toring and R

nal Pollution

flow Emerge

ardson Bay S

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onal Water Q

rage Agency

r System Ma

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Water Resou

ral Waste Di

LIST O

Water Agenc

ncy Services

elevision

Regulations

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ease

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ble Official

er Day

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n Discharge

ency Respon

Sanitary Dist

Quality Contr

y of Southern

anagement P

verflow

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ischarge Req

F ACRONY

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s

Quality Syste

ogram

Elimination

nse Plan

trict

rol Board

n Marin

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ol Board

quirements

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and guidanc

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as Regionty of Califobenefit of pry

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No. 2013-005

or the Overf

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o ensure appr

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to respondin

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with the spil

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g requiremen

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dures so thaa timely man

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1 INTRODU

SD or Districg to, cleaninrea.

ng to SSOs a

ume of the S

extent feasi

lled wastewa

nts

th the informApril 2019).

Control Bol public wa

wers to be ref this Order ated July 30,

gency Respo

an overflow vironment. A

at the primarynner;

ponse to all o

cation to aplth agencies

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are as follow

SSO

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ater

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onse Plan el

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Page O4-01\WP\OER

cy Responseorting SSOs

in RBSD’s S

directive thrstem agenciWaste Disch

nd reporting

he SSMP a

lan that idenn must includ

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gencies and , water supp

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e Plan s that

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rocedures toollow the em

rocedures toecessary res

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minimize or ncluding sucature and im

1 summarizee WDR.

SOs that potwith the Staorted in accoher applicablhould identif

o ensure thamergency res

o address emponse activi

o ensure thadischarge ocorrect any

ch acceleratempact of the d

es notificatio

FIGURE 1

tentially affeatewide Monordance withle Regional Wfy the officia

at appropriasponse plan a

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at all reasonaof untreated adverse im

ed or additiondischarge.

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rs of the StaMRP). All SCode, other mit requiremfication;

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ate in SSOs State

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NOTIFIC

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WATERQUALITMONIT

RECORKEEPIN

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TING

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Within t

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chang• Record

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discharged to

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d obtain a no

ory 1 SSO: te of the SSO aory 2 SSO: te of the SSO agory 3 SSO: thh in which SSechnical Repory in which 50,

pill” Certifica end of the mtion System

istrict will coategory 1 SSres daily watarge of 1,000

rict will maint

vent recordsds documenges/updates tds to documface waters. tion system

me.

f becoming

o surface wat

istr ict will n

otification co

the District wand certify wthe District wand certify whe District wSO the occurrport: the Dist

000 gallons o

ation: the Dismonth or, if rQuestionnai

onduct wateSOs in whichter quality sgallons or gr

tain the follo

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telemetry

Req

aware of an

ter or spilled

notify the Ca

ontrol numbe

will submit drwithin 15 calewill submit within 15 calewill submit cered. rict will subm

or greater ar

strict will cerreporting quare: the Distri

r quality sam 50,000 gallampling untreater and sp

owing record

ry Sewer M. Quality Monit

records if r

quirement

ny Category

in a location

lifornia Offic

er.

raft report wndar days of draft report endar days ofrtified report

mit within 45

re spilled to s

rtify that no arterly, the qict will updat

mpling withinlons or greatil compliancpills into surfa

ds:

Management

toring for SSO

relied upon

1 SSO great

n where it pr

ce of Emerge

within three bSSO end datwithin 3 buf the SSO endt within 30 c

5 calendar da

surface wate

SSOs occurrequarter in whte and certify

n 48 hours ater are spillece is achieveace water.

t Plan (SSM

Os of 50,000

to documen

TABLE 1-1.

ter than or

obably will b

ncy Services

business dayte. usiness daysd date. calendar days

ays after the

ers.

ed within 30hich no SSOsy every 12 m

after initial SSed to surfaced, if there i

MP) impleme

gallons or g

nt and/or e

SSO RESPO

equal to 1,0

be discharged

s of becomin

of becomin

s of the end

end date of a

calendar daoccurred. onths

SO notificatioce waters. EHs a Category

entation and

reater spilled

estimate SSO

ONSE SUMMA

000

d to

Call Ca

Health

Commu

ng

g

of

any

ys

• Entethe

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repoManaddi

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greater

d

d

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Self‐ma

ARY

al OES at: (8Services (EH

unication Cen

er data into Legally Responformation rtified SSO reort within 12nager must bitional inform

quality resu

r are spilled t

aintained rec

800) 852‐755HS) (415) 473nter at (415) 4

the CIWQS Oonsible Officrequired by Cports may b20 calendarbe contactedmation was n

ults will be u

to surface w

cords shall be

50 County H3‐6907 are al479‐2311.

Online SSO Dcial(s). CIWQS will bebe updated bdays after tto request t

not available

uploaded into

aters.

e available d

Metho

Health Office

lso to be co

Database (ht

e captured inby amendingthe SSO endto amend anprior to the

to CIWQS fo

during inspec

O

od

r (415) 473‐3ntacted. Dur

ttp://ciwqs.w

n the Sanitarg the report d date. Aftn SSO report end of the 1

r Category 1

ctions or upo

RicharOverflow Em

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3707 and Mring evenings

waterboards.

ry Sewer Oveor adding aer 120 daysalong with a

120 days.

1 SSOs in wh

n request.

rdson Bay Smergency R

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arin County

s/weekends,

ca.g ov/), ce

erflow Reporan attachmens, the Statea justification

hich 50,000

Sanitary DistResponse P

age OERP 1-3\OERP\042919

Environment

call the Sher

rtified by

t. nt to the SSOSSO Programn for why the

gallons or

trict Plan

3

9

tal

iff

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rdson Bay Smergency R

Pa5RB-14-01\WP

Sanitary DistResponse P

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trict Plan

4

9

The respincident.

2.1 C

Dischargenrollee’

Reac

Reacthe sawastehave water

2.2 C

Dischargfrom an water, a discharge

2.3 C

All othersanitary s

onsibilities oThree categ

Category 1 S

ges of untres sanitary se

ch surface w

ch a municipanitary seweewater not rreached sur

r or ground w

Category 2 S

ges of untreaenrollee’s sdrainage ch

ed to the stor

Category 3 S

r dischargessewer system

CH

of the SSO rgories of SSO

SSO

eated or parewer system

water and/or

pal separateer system or recovered frorface water water infiltra

SSO

ated or partsanitary sewhannel, or a rm drain sys

SSO

s of untreatem failure or f

HAPTER 2

response teaOs are define

rtially treatefailure or flo

reach a drai

e storm sewnot otherwisom the mununless the s

ation basin (

ially treatedwer system f

municipal sstem is fully

ed or partialflow conditi

SSO CATE

am depend oed by the SW

ed wastewaow condition

inage channe

wer system ase captured a

nicipal separstorm drain e.g., infiltrat

d wastewaterfailure or floseparate storrecovered a

lly treated won.

RiOverflow

EGORIES

n the volumWRCB, as sh

ater of any n that:

el tributary t

and are not fand disposedrate storm sesystem disc

tion pit, perc

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and disposed

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me, location, hown in Figu

volume re

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fully captured of properlyewer systemcharges to acolation pon

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Page O4-01\WP\OER

and impacture 1, above

esulting from

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of an .

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APPEND

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tification fro

ation alarms f the call is

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ms will re-rin

SSO Report

1 summarizrict responsex OERP-A.

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are receivednot answere

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ting Proced

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The follo

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4.1 F

The first

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owing staff a

irst Respond

irst ResponMechanics

Claims Proce

ng are names

n Case of Em

County Sheri

Office of Em

District Mana

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Agencies:

o Califo

o Califo

o Count

o Califo

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First Respo

responder’s

To follow safnd employee

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To evaluate th

To restore the

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CHAPT

are responsib

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nder to Pum

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mergency: 91

ff Dispatch:

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ponder – Ro

ornia Region

ornia Departm

ty Environm

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public acces

TER 4 SSO

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District Ma

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t information

11

(415) 473-7

vices: (800)

388-1345

oto-Rooter: (

nal Water Qu

ment of Fish

mental Health

of Emergenc

: (415) 399-

ties

re as follows

ctices, inclusafety

h the approp

spill and det

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never feasible

ss to and/or c

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nding to SSO

anager and R

Failures: Di

n for the des

7250

852-7550

415) 388-27

uality Contro

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cy Services:

-3530

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priate equipm

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e

contact with

RiFLOW EME

SE PROGRA

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Roto-Rooter

istrict Mana

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740 or (415)

ol Board: (51

fe Services:

415) 473-69

(800) 852-7

related to tra

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esponse. Alin Element 4

t that shows ion within 6

minating an d nature of tternal SSOs

d in Append

plete the foll

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onse equipmMP.

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to documen

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ent is

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y DistrictE PLAN

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Ifinemor

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f several effonformed, whmergency rer bypass pum

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ny resulting f

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etween areas

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RiFLOW EME

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Page O\WP\OERPUpda

st be immediractors to inspill contain

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r to a potentiwithin a rea

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ponse activi

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r should atte

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d the blockaand dispose

eaches a waignage. Als

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lined in App

cur in locatiotion. In sucystanders in

uld follow th

ny (contact n

and related d

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RiFLOW EME

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Page O\WP\OERPUpda

eowner:

, and wait fo

etermine whrestored witr repairs, they plan covergency respse procedurereference in

here applicab

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from upstreaher overflow

posting and above.

pilled sewage

und or flow irst detected

y DistrictE PLAN

OERP 4-5 ate042919

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4.6 W

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container w

plete the laber, collectorand phone

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uld be testempling is als

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ing is requiredetermine th

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00 gallons, e point, 100 f

,000 gallonsnty of Marin

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ng procedureollection bo

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at a minimfeet upstream

s, additionaln EnvironmeProgram, whi

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bottle near it

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mL. (If applice. Extend the

wnward.)

ly on bottle

ve sample si

uisition slip time of col

of responsibeld observat

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RiFLOW EME

50,000 gal

r the spilled nd impact o

ection of saof the SSO e

mum, water m, and 100 f

l sites shoulntal Health ich is describ

llow EHS pruntil it is to b

face in knee sing. If needer depth. Mi

ts base and

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with requesllection, typ

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sted informape of samplefor reportin

may have occ

rm and entequal to 50,


Page O\WP\OERPUpda

ers a water bO. The follo

mples shoul

mples shouleam

ed, followinvision (EHSter 5.

s follows: o not contam

approximatthe samplingtact with ban

neck downw

rected towarmix by shaection bottlege bottle end

amination

collected

ation (site, be, test reque

ng purposes,curred durin

terococcus (,000 gallons

y DistrictE PLAN

OERP 4-6 ate042919

body. owing

ld be

ld be

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ward,

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ng the

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If the SAAnalytic888-258-

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of monitorinments, the iwere perfor

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Water Quali

Quality Moy 1 SSO of 5Water qualitySO.

RBSD’s SSSO Water Qwing:

rotocols for

Account for se possible (e

Requirement erformed by

Requirement Quality Moniecords to docccuracy

SSO Notifica

shall be insbe posted to warning sign

uld be storedce. Water saples are not

be taken to t8-2402. The3:00 pm, for

tory is closeory at 18858), Fax: 707

ng informatiindividual(s)rmed, the indthe results o

ty Monitori

nitoring Plan0,000 gallony testing mus

Quality Mon

water qualit

spill travel tie.g. safety, a

for water quy an accredite

for monitoriitoring Progrcument main

ation Signa

stalled to prkeep vehicis included

d and shippeample must bcontaminate

the SASM Le water sampr processing

ed, utilize an5 N Kelly R7.226.1001.

ion shall inc) who perfodividual(s) wof such analy

ing Plan fo

n must be imns or more inst be comple

itoring Prog

ty monitorin

ime in the suaccess restric

uality analysed or certifie

ing instrumeram to be prontenance and

age

revent the ples and pedin Appendix

OVERF

d by placingbe kept cool.ed or diluted

Laboratory ples must be .

n alternate teRd., Napa, C

clude the daormed the swho performyses.

r SSOs equ

mplemented n order to aseted within 4

ram is inclu

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urface water ctions, etc.)

ses for ammoed laboratory

ents and devioperly maind calibration

public from destrians awax OERP-B.

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at 450 Sycabrought to t

esting laboraCA 94558 (

ate, exact plasampling or

med the analy

ual to or gr

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48 hours of t

uded in Appe

and scenario

onia and bay

ices used to ntained and cn, as necessar

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H\015RB-14-01

sample bottlee used but ca

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endix OERP

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ntact with thntact with sp


Page O\WP\OERPUpda

e in a coolerare must be t

nue, Mill Vary within 8 h

ged by Calt000, Toll Fr

me of samplinments, the daalytical techn

50,000 gal

overy of any s to surface becoming aw

-C, and inclu

onitoring ma

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the SSO Wancluding anye their contin

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y DistrictE PLAN

OERP 4-7ate042919

r with taken

alley, hours

est ree

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ay not

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ater y nued

Signs ge. A

If a creeshould bacceptabensure thof 100 fesewage, m

Signs muHealth O

APPEND

S

S

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ek, stream abe posted atle backgroun

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ust remain pOfficer.

DIX OERP-B

SO Report F

SO Volume

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h have beencess location

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Page O\WP\OERPUpda

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ations ed to

day to imum me of

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porting Req

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852-7550.

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quirements

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t have been

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s

gulatory rep5-1.

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established

category reired in CIWnt closest to t

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chardson BERGENCY R

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ltiple appearincludes the point, blockaations of all

allons dischasurface waterg regular bus

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cleanup or

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hich are also

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OERP 5-1ate042919

to the

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ent that CIWQCB office in ace appropriatember is (510)

TABLE

of any volumece water channel e water, or al separate m and not

SO of 1,000 that does noter, a drainageicipal separatm, or is covered and rly.

her SSOs

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SSO (respond member

QS is not availccordance wie reports usin622‐2460.

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hin 3 Businessg CIWQS

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hin 3 Businessg CIWQS

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hin 30 CalendWRCB using C

SASM: (415) 3City of Mill VaHomestead VAlto Sanitary Almonte SaniTamalpais Co

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on to Cal OESmber (for RWQnd Marin Cou15) 473‐6907 weekends, ca73‐7250.

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dar Days of CoWQS

dar Days past and certify b

dar Days past CIWQS

388‐2402 alley: (415) 38Valley SanitaryDistrict: (415itary District: ommunity Ser

fy every 12 m

signee will faxntified abovetical. The San

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months

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Page O\WP\OERPUpda

7550. Ask for Health Officemental Healthbe contacted. f Communicat

ort to SWRCB

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rnia DFWS: (7

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Within 15 caln the CIWQS

SSO Repor

Within 3 busihe initial ttp://ciwqs.w

Within 15 caln the CIWQS

SSO Repor

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ttp://ciwqs.w

No Spill Cer

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CIWQS Not

ent that the information

s identified e CIWQS onts that certint file.

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O is responsg the report

d date. Aftero amend an

rting for Cate

d EHS shall rs, as stated ea

bmitter musdatabase @

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lendar days S Online SS

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iness days oreport to

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lendar days S Online SS

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rtification (Mo

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t Available

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above. In snline SSO dify the subm

SSO Reports

ible for ameor adding anr 120 days, SSO report

egory 1 SSOs

receive notifarlier in this

st then submhttp://ciwqsSO.

of the SSO eO database @

egory 2 SSOs

f becoming o the SWca.gov/ciwq

of the SSO eO database @

egory 3 SSOs

of the end oertify a reporca.gov/ciwq

onthly)

of the end oa “No Spill”

ine SSO datWQCB officsuch an evedatabase wh

mittal in fulf

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the Districtalong with a

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s

fication of CSection.

mit the initia.waterboards

end date, the@ http://ciw

s

aware of theWRCB’s Cqs.

end date, the@ http://ciw

s

f the calendart to the SW

qs.

of a calendarcertification

tabase is not ce at (510) ent, the Disthen the databfillment of th

reports. Cet to the SSO t must contaa justification

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Category 1 S

al draft repos.ca.gov/ciw

e LRO must wqs.waterboa

e SSO, the DCIWQS On

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ar month in WRCB's CIW

r month thatn to the CIW

available, th622-2460 in

trict will subabase becomhis section s

ertified SSOreport withi

act the Staten for why th

chardson BERGENCY R

H\015RB-14-01

SSOs greater

ort to the SWwqs within 3

review and ards.ca.gov/c

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review and ards.ca.gov/c

which the SWQS Online

t there are noWQS online S

he LRO willn accordanc

ubmit the apmes available

shall be reta

O reports main 120 calene SSO Prog

he additional


Page O\WP\OERPUpda

r than or equ

WRCB’s CIWbusiness da

certify the rciwqs

ager must suO database

certify the rciwqs.

SSO occurredSSO databa

o SSOs, the SSO database

l fax or e-mace with the ppropriate ree. A copy oained in the

ay be updatedar days afte

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y DistrictE PLAN

OERP 5-3ate042919

ual to

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report

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ail all time

eports of all SSO

ed by er the ger to n was

not availinformati

A S D 1 S E P

lable prior tion is as foll

Armando Matate Water R

Division of W001 I Street acramento, C

E-mail: Armahone: (916)

o the end olows:

artinez Resources CoWater Quality

15th Floor CA 95814 ando.Martine341-5586

of the 120 d

ontrol Boardy

ez@waterbo

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days. The S

d

oards.ca.gov

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SWRCB SSO

chardson BERGENCY R

H\015RB-14-01

O Program


Page O\WP\OERPUpda

Manager co

y DistrictE PLAN

OERP 5-4 ate042919

ontact

The recohas been discharge

6.1 C

Clean uphealth isprocedurweather cwater tha

Where ccomplete

Spills indiscussed“Water DClaims b

In the evas possibdebris/m

6.1.1

On hardhand or wwastewatthe disinapplicatioadditiona

On landseither byadditiona

If the SStruck to contain s

very and clecontained to

ed to the ext

Clean Up an

p and disinfesues and ad

res describedconditions. Cat is used in t

cleanup is be the work. P

side housesd above. CoDamage Resby homeown

vent of an SSble the follaterial that m

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d surface arewith the useter. Disinfecnfectant solon method oal cleaning is

scaped or uy hand or wital cleaning is

O has reachvacuum/pum

sewage. In th

CHAP

ean up phaseo the extent ptent possible

nd Disinfec

ection procedverse envird are for dryClean up shothe cleanup

beyond the Phone numbe

s or buildingontact informstoration” seers should b

SO event duowing day.

may warrant

for Cleanup

eas, collect e of rakes anct all areas thlution Bio-Rof disinfectas required.

npaved areath the use ofs required.

hed the stormmp out the che event that

PTER 6 FO

e begins whepossible. Spback into th

ction

edures must onmental im

y weather coould proceedprocess shou

capabilities ers are provi

gs should bmation for prection of thebe forwarded

uring night tiThe site s

additional c

all signs of nd brooms. That were conRooter® usant that is e

as, collect alf rakes and b

m drain syscatch basin t an overflow

OVERF

OLLOW-UP

en the flow hpilled sewagehe sanitary se

be implemempacts that onditions andd quickly in uld be de-ch

of Districtided in the e

be cleaned brofessional ce Yellow Pa

d to the Distr

ime hours, thshall be inscleanup activ

sewage soliTake reasonantaminated fring a hand

employed. A

ll signs of sebrooms. Allo

tem, R/R shand any oth

w occurs at n

RiFLOW EME

P ACTIVITIE

has been reste shall be vaewer system

ented to redare associat

d should be order to min

hlorinated pri

t staff, contemergency re

by a profescleaning comages and is rict Manager

he incident mspected for vities.

ds and sewaable steps torom the SSOd sprayer. DAllow area t

ewage solidsow the area

hould use itsher portion night, the loc

chardson BERGENCY R

H\015RB-14-01

ES

tored and theacuumed or pm.

duce the potted with an modified asnimize negaior to use.

tact a cleanesponse list.

sional cleanmpanies canalso provid

r.

must be re-iany signs o

age-related mo contain anO. Apply minDocument to dry. Repe

s and sewageto dry. Rep

s combinatioof the stormcation shoul


Page O\WP\OERPUpda

e spilled sewpumped and

tential for huSSO event

s required foative impact.

nup contract

ning compann be found ied in the O

inspected as of sewer re

material eithnd vacuum unimal amounthe volumeeat the proce

e-related maeat the proc

on sewer cleam drain thatld be re-insp

y DistrictE PLAN

OERP 6-1ate042919

wage

uman . The

or wet . Any

tor to

ny as in the

OERP.

soon elated

her by up the nts of

e and ess if

aterial ess if

aning t may pected

as soon aand sewa

6.2 C

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6.3 Im

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onder to a se

Gather informOERP-B

Notify the Di

Wait for resto

orward incidlaims, follow

mpact to W

SO is confirtely notified

Determine thf sewage or

Conduct Wat0,000 gallonware of the S

mmediately ccess on all

hotograph she farthest po

Determines ifwaterbody ma

f feasible, blo enter and i

To the extent

erform folloosted signs appens and m

230.3(s) definest streams), mudrposes.

the followinmaterial that

Backups int

ewer backup

mation and fi

istrict Manag

oration firm

dent reports w the RBSD

Waters of Un

rmed to havd. The respon

he extent of tdebris along

ter Quality Sns or greateSSO

post contamsides

ign placemeoint reached

f the waterboay not be fea

lock the wats accessible

feasible, rec

ow-up sampcan be rem

makes any f

s the term “wate

dflats, sandflats,

ng day. The may warran

to a Buildin

p into a hous

ill out the Se

ger of the inc

to arrive

and related dclaims man

nited States

ve entered wnse team then

the SSO by g the creek o

Sampling, foer, collect w

minated wat

ent and evided by the sewa

ody is safe toasible due to

erbody dowto set up a p

cover and re

ling until thmoved. Thefollow up cal

ers of the Unite, wetlands, slou

OVERF

operator shont additional

ng

e or building

ewer Backup

cident

documents tnagement pro

s

waters of thn proceeds w

investigatinor water body

ollowing thewater quality

ter sign(s) a

ence of the oage

o enter. Duro high water

nstream of tpump or utili

turn contam

he area show District Mlls to affecte

ed States.” This ughs, or natural

RiFLOW EME

ould look focleanup acti

g should com

p Summary R

to the Districocess.

he United Swith the follo

ng downstreay

e process dey samples w

and protect

overflow in

ring the wintflows

the affected ize other sew

minated water

ws no wateranager ultim

ed agencies

term includes aponds, or water

chardson BERGENCY R

H\015RB-14-01

or any signs ivities.

mplete the fo

Report inclu

ct Manager.

States1, the Dowing additi

am until ther

scribed belowithin 48 ho

the waterb

and around

ter storm sea

area in a locwer cleaning

r to the colle

r quality impmately deter

all lakes, rivers,rs that could be


Page O\WP\OERPUpda

of sewage s

ollowing:

uded in Appe

For potentia

District Manional activiti

re is no evid

ow. If the SSours of beco

ody from p

the waterbo

ason, cleanin

cation that isg equipment

ection system

pairment anrmines when

, streams (inclue used for recrea

y DistrictE PLAN

OERP 6-2 ate042919

solids

endix

al

nager ies:

dence

SO is oming

public

ody to

ng the

s safe

m

nd the n this

uding ational

6.4 S

If 50,000be prepaSSO end

1. C

2. C

3. D

4. D

5. C

6. H

7. R

a)

b

c)

8. W

a)

b

The Distrand for cin Appen

6.5 F

For each received event to rpost-SSOmitigate

APPEND

• W

• T

SSO Techni

0 gallons or red and subdate. The S

Causes and C

Complete and

Diagram show

Detailed desc

Copies of the

Historical ma

Response to S

) Chronolo

) Explanati

) Final corrschedule o

Water Quality

) Descriptioresults an

) Detailed l

rict Managecertifying andndix OERP-C

Failure Anal

Category 1 the call to threview and e

O debrief is tthe effects o

DIX OERP-C

Water Quality

Template for

cal Report

greater frommitted to th

SSO Technic

Circumstance

d detailed ex

wing the SSO

cription of th

original fiel

aintenance re

SSO

gical narrati

ion of how th

rective actionor actions no

y Monitoring

on of all watd evaluation

location map

r is responsid submittingC.

lysis

SSO, all Dishe last persoevaluate the to determineof SSOs.

C

y Monitoring

SSO Techni

m an SSO reahe CIWQS ocal Report m

es of the SSO

xplanation of

O failure poi

he causes(s) o

ld crew reco

ecords for th

ve descriptio

he OERP wa

n(s) completot yet compl

g:

ter quality san of the resul

p illustrating

ible for manag the report.

strict participon to leave th

incident ande actions nec

g Program

ical Report

OVERF

aches surfaconline SSO

must include,

Os

f how and w

int, appearan

of the SSO

ords used to d

he failure loc

on of all acti

as implemen

ted and/or plleted

ampling actilts

g all water qu

aging the deAn outline f

pants involvhe site, should District resessary, if an

RiFLOW EME

ce waters, andatabase wi, at a minimu

when the SSO

nce point(s),

document th

cation

ions taken to

nted to respo

lanned to be

ivities condu

uality sampli

evelopment ofor the SSO

ved in the resld meet as sosponse proceny, to reduce

chardson BERGENCY R

H\015RB-14-01

n SSO Technithin 45 caleum, the follo

O was discov

, and final de

he SSO

o terminate t

ond to and m

e completed,

ucted includi

ing points

of the SSO TTechnical R

sponse, fromoon as feasibedures. The the recurren


Page O\WP\OERPUpda

nical Report endar days oowing:

vered

estination(s)

the SSO

mitigate the S

including a

ing analytica

Technical ReReport is incl

m the person ble after the objective of

nce and bette

y DistrictE PLAN

OERP 6-3ate042919

must of the

)

SSO

al

eport, luded

who

f the er

TThis page lef

OVERF

ft intentiona

RiFLOW EME

ally blank

chardson BERGENCY R

H\015RB-14-01


Page O\WP\OERPUpda

y DistrictE PLAN

OERP 6-4 ate042919

A sewer owner. Pis perceiv

7.1 G

EffectiveprolongeDistrict i

How youperceivedability tocooperati

When int

Thun

Aseca

Sis

Ddan

Kpr

Kb

7.2 P

For spillsa surfacethe locati

C

backup is a rofessional pved that Dist

General Com

e managemend process ws responsive

u communicad. Good com

o address theive as the Di

teracting wit

The homeownomeowner hnderstand th

As soon as poewer backupan

tate that youssue, either b

Do not admit etermined thny reasonabl

Keep the homroblem

Keep focusedlame are not

Public Notif

s that are cone water bodyion of the sp

HAPTER 7

stressful evepresentationtrict staff are

mmunicatio

nt of a sewaith the prope

e and that the

ate, whether mmunication

problem satistrict compl

th an affecte

ner needs amhas to say. It he problem.

ossible, let thp is in the sew

u understandby the Distric

fault. The dhat the Distrile repairs or

meowner info

d on getting tt appropriate

fication of S

ntained and , notification

pill.

COMMUN

ent and may n is importane indifferent,

ons

ge backup sierty owner. Teir best inter

on the phonn with the hotisfactorily, letes respons

d homeowne

mple time to does not ma

he homeownwer main an

d their concerct, if applica

determinationict is at faultlosses resul

ormed on wh

the job donee during the r

Spills that d

do not releasn to the publ

OVERF

NICATIONS

include intent, as a home, uncaring, u

ituation is crThe propertyr

ne, in writingmeowner reand a greatese and follow

er, consider

explain the atter if you h

ner know thand, if it is, wi

rn and then eable, or an ou

n of fault is ht, the propertting from th

hat is being d

e in a very prresponse act

do not Rea

se unrecoverlic shall be a

RiFLOW EME

H\

WITH THE

eractions witeowner will lunresponsive

ritical to avoy owner shou

est is RBSD's top priority.

g, or in persosults in grea

er chance thaw-up activiti

the followin

situation. Shhave heard th

at you will dill have it co

explain whautside contra

handled by mty owner has

he incident.

done and wi

rofessional mtivities.

ch Public W

red sewage iaccomplished

chardson BERGENCY R

\ 015RB14-01

E PUBLIC

th an irate relikely become, and/or inc

oid the potenuld feel assu

on, is how yoater confidence in RBSD'sat the property owner will beies.

ng:

how interesthe story befo

determine if torrected as qu

at can be donactor

managements the right to

ill be done to

manner. Sma

Waters

into a storm d through th


Page O\WP\OERPUpda

sident propeme unhappy iompetent.

ntial for a cosured that the

ou will be

t in what the ore or alread

the source ofuickly as yo

ne to address

t staff. If it io file a claim

o correct the

all talk and

drain, streamhe use of sign

y District E PLAN

ERP 7-1 ate042919

erty if it

stly,

dy

f the u

s the

s m for

e

m or ns at

7.3 P

If sewageof the discontamin

Creeks, sat visiblelevels. Tin place. 100 feet posted do

Signs muSanitatiohas the auwater bodjudgment

Public Notif

e reaches a Wscharge site nation in the

streams and be access locaThe warning

“Closed” sigdownstreamownstream.

ust remain pon and Oceanuthority to cdies affectedt:

The volume

Parameters

Direction o

Tides

Past experie

Any other p

fication of S

Waters of theand potentiafield before

beaches thatations until th

signs, once gns shall be

m of the disch

osted until an Water-Conclose and re-d are determ

e of sewage

affecting flo

f current

ence in the a

pertinent info

Spills that R

e United Staally affected the water bo

t have been che risk of coposted, shouposted at th

harge. If ther

at least two cntact Sports sopen the beained by the f

discharged

ow of sewag

area; and/or

ormation.

OVERF

Reach Wate

ates, the EHSareas is requody closure

contaminatentamination

uld be checke outfall andre is a large v

consecutive dstandards, oraches and wafollowing pa

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RiFLOW EME

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Richardson Bay Sanitary District Overflow Emergency Response Plan APPENDICES

Appendix OERP-A

SSMP and First Responder Contact List



RICHARDSON BAY SANITARY DISTRICT 500 Tiburon Blvd., Tiburon, CA 94920

District Phone: (415)388-1345 District Fax: (415)388-1339 E-Mail: [email protected]

April 2019 DIRECTORS: SUE BENVENUTI 408 Hilary Dr. 415-435-4242 Tiburon, CA 94920 [email protected] DAVID EKLUND 666 Hilary Drive 415-435-2279 Tiburon, CA 94920 [email protected] RON KOSCIUSKO 402 Hilary Drive 415-435-0650 Tiburon, CA 94920 [email protected] JEFF SLAVITZ 45 Upper North Terrace 415-310-2410 Tiburon, CA 94920 [email protected] FRANK TRUSHEIM 42 Reed Ranch Road 415-960-4833 Tiburon, CA 94920 [email protected] EMPLOYEES: JOHNNY TUCKER 4401 Daywalt Road 707-827-3271 (Home) District Manager Sebastopol, CA 94472 415-261-8810 (Mobile) 415-716-6746 (Verizon) KEN OLUFS 500 Monte Vista Lane 707-762-8414 (Home) Collections Syst. Operator Petaluma, CA 94952 415-716-7461 (Verizon) 707-486-4694 (Mobile) TREVOR SEIDLER 6540 Bloomfield Road 415-574-5786 (Home) Collections Syst. Operator Petaluma, CA 94952 415-710-0369 (Verizon) PAULA PFEFFER 49 Bryn Mawr Drive 415-460-1004 (Home) Office Manager San Rafael, CA 94901 415-378-8139 (Mobile) ON-CALL OPERATOR 415-710-0819 (Verizon) OTHER: PETER BREKHUS Law Office of Peter Brekhus 415-461-1001 District Counsel 1000 Drakes Landing Rd. 415-461-7356 (Fax) Greenbrae, CA 94904 PIPPIN CAVAGNARO Nute Engineering 415-453-4480 District Engineer 907 Mission Avenue 415-453-0343 (Fax) San Rafael, CA 94901 DAVE PEROTTI Perotti & Carrade 415-461-8500 District CPA 1100 Larkspur Landing Cir. #358415-461-6342 (Fax) Larkspur, CA 94912 ROTO ROOTER Roto Rooter 415-388-2740 P.O. Box 3415 415-898-6074 San Rafael, CA 94912 GREAT WEST LIFE 121 Deerwood Rd., Ste. 356 925-855-1095 Deferred Comp San Ramon, CA 94583 800-274-8491




Appendix OERP-B

SSO Report Form

SSO Volume Estimation Methods

Example SSO Notification Signs



Page 1 of 4

Initial Information

Call Received

Spill Location Name / Location of Overflow:

Work Order No:

Frequency of Cleaning Program:

Date of Last Cleaning:

Failure Analysis Complete:

Date:

Sanitary Sewer Overflow Service Call and Field Report Form(Field Report)

Recommendations on How to Eliminate Future Problems:

Distribute Field Report immedately to Manager.

Date:

Received By:

Caller's Phone #:

AM / PM

This field report, gas detector, radio, system maps, personal protective equipment and camera should be collected by field crew prior to responding.

Time and Names of Crew Members Contacted:

Description of Complaint:

Cross Street:

Caller's Address:

Caller's Name:

YES NO

Page 2 of 4

Time Mobilized AM / PM

Time Arrived at Site: AM / PM

Asset #: U/S Asset #: Work Area:

Size of Line: Length of Line:Easement

Sketch of Area: (Include Manholes, Intersections, Stoppage Location, Etc.)


Form Completed By: Date:

Field Report for Response Crew's Use

Crew:

D/S Asset #:

Comments:

GPS Coordinates (Latitude / Longitude, if Available):

YES NO

Page 3 of 4

Time Overflow Stopped:

Eyeball Estimate

Other ______________


Time Overflow Started:

Duration of SSO: Est. Spill Volume (Gallons):

Complete Form if an Overflow Has Occurred

Describe How Overflow Quantity was Calculated (Section 3 and Appendix OERP-B of OERP):

Measured VolumeDuration / Flowrate

Weather:

Volume Recovered / Returned to Sewer System (Gallons):Volume to Waters & Not Recovered, Including Surface Water, Drainage Channel, or NOT Recovered from Storm Drain (Gallons):

________________________________________________

Did SSO Reach Storm Drainpipe That Was Not Fully Recovered?Did SSO Discharge to Drainage Channel and/or Surface Water?

Impacted Surface Water(s) (If Applicable):

Final SSO Destination:Impacted Beach(es) (If Applicable):

For Continuing Spills Without Complete Blockage Removal and/or Repairs (if Applicable), Current Spill Rate (Gallons per Minute):

Primary Cause:

Additional Information:

YES NO

YES NO

Storm Drain

Captured from Storm Drain (100%)

Building Yard/Land Surface Water No Water Involved

Other _________________________

Sunny Cloudy Rainy Rain for Several Days

Roots Grease Debris Vandalism Pipe Failure

Construction Damage Pump Station Failure Power Failure

Capacity (Heavy Rain) Other _________________________________

Page 4 of 4

Blockage Location:

Upstream MH#: _______

Photos/Video Taken:

Samples Taken By:

Signs Posted:

Barricaded

RWQCB Notified:

Other Agencies Notified:

SSO Information Faxed to RWQCB:

If Not, Why:

Location of Samples

Describe Property Damage:

Neighbors Notified:

CalEMA Notified:Date/Time:


Spill Appearance Point / Source of SSO:

Photo/Video File Location:

Recommended Spill Corrective Actions:

CalEMA Contacts/Details:

CalEMA SSO#:

Date/Time:

Date/Time:

Caller/Customer Notified re: Status:

Clean Out Manhole Gravity Main Forcemain Private Lateral

Pump Station: ___________(Name) Other: _________________________

Private Lateral

Downstream MH#: _____ Overflow MH#: __________

YES NO

YES NO YES NO

YES NO YES NO

_____________________

YES NO _____________________

______________________________________________

YES NO

_____________________YES NO

______________________________________________

Methods for Estimating Spill Volume A variety of approaches exist for estimating the volume of a sanitary sewer spill. This Appendix documents the three methods that are most often employed. The person preparing the estimate should use the method most appropriate to the sewer overflow in question and use the best information available.

Method 1: Eyeball Estimate

The volume of small spills can be estimated using an “eyeball estimate”. To use this method imagine the amount of water that would spill from a bucket or a barrel. A bucket contains 5 gallons and a barrel contains 50 gallons. If the spill is larger than 50 gallons, try to break the standing water into barrels and then multiply by 50 gallons. This method is useful for contained spills up to approximately 200 gallons.

Method 2: Measured Volume

The volume of most small spills that have been contained can be estimated using this method. The shape, dimensions, and the depth of the contained wastewater are needed. The shape and dimensions are used to calculate the area of the spills and the depth is used to calculate the volume.

Common Shapes and Dimensions

Step 1 Sketch the shape of the contained sewage (see figure above).

Step 2 Measure or pace off the dimensions.

Step 3 Measure the depth at several locations and select an average.

Step 4 Convert the dimensions, including depth, to feet.

Step 5 Calculate the area in square feet using the following formulas:

Rectangle: Area = length (feet) x width (feet) Circle: Area = diameter (feet) x diameter (feet) x 0.785

Triangle: Area = base (feet) x height (feet) x 0.5

Step 6 Multiply the area (square feet) times the depth (in feet) to obtain the volume in cubic feet.

Step 7 Multiply the volume in cubic feet by 7.5 to convert it to gallons

2

Methods for Estimating Spill Volume Page 2

Method 3: Duration and Flowrate

Calculating the volume of larger spills, where it is difficult or impossible to measure the area and depth, requires a different approach. In this method, separate estimates are made of the duration of the spill and the flowrate. The methods of estimating duration and flowrate are:

Duration

The duration is the elapsed time from the time the spill started to the time that the flow was restored.

Start Time: The start time is sometimes difficult to establish. Here are some approaches:

1. Local residents can be used to establish start time. Inquire as to their observations.

Spills that occur in rights-of-way are usually observed and reported promptly. Spills that occur out of the public view can go on longer. Sometimes observations like odors or sounds (e.g. water running in a normally dry creek bed) can be used to estimate the start time.

2. Changes in flow on a downstream flowmeter can be used to establish the start time.

Typically the daily flow peaks are “cut off” or flattened by the loss of flow. This can be identified by comparing hourly flow data during the spill event with flow data from prior days. This method will likely only be effective with consistent weather.

3. Conditions at the spill site change over time and can be used to establish the start time. Initially there will be limited deposits of toilet paper and other sewage solids. After a few days to a week, the sewage solids form a light-colored residue. After a few weeks to a month, the sewage solids turn dark. The quantity of toilet paper and other materials of sewage origin increase over time. These observations can be used to estimate the start time in the absence of other information. Taking photographs to document the observations can be helpful if questions arise later in the process. This method is valid for spills that have been occurring for a long time and may be used in conjunction with either of the above methods.

4. It is important to remember that spills may not be continuous. Blockages are not usually complete (some flow continues). In this case the spill would occur during the peak flow periods (typically 10:00 to 12:00 and 13:00 to 16:00 each day). Spills that occur due to peak flows in excess of capacity will occur only during, and for a short period after, heavy rainfall.

End Time: The end time is usually much easier to establish. Field crews on-site observe the “blow down” that occurs when the blockage has been removed. The “blow down” can

3


also be observed in downstream flowmeters.

Flow Rate

The flowrate is the average flow that left the sewer system during the time of the spill.

There are three common ways to estimate the flowrate:

1. The San Diego Manhole Flowrate Chart: This chart, included as at the end of this appendix, shows sewage flowing from manhole covers at a variety of flowrates. The observations of the field crew can be used to select the appropriate flowrate from the chart. If possible, photographs are useful in documenting basis for the flowrate estimate.

2. Flowmeter: Changes in flows in downstream flowmeters can be used to estimate the flowrate during the spill.

3. Counting Connections: Once the location of the spill is known, the number of upstream connections can be determined from the sewer maps. Multiply the number of connections by 200 to 250 gallons per day per connection or 8 to 10 gallons per hour per connection.

For example: 22 upstream connections * 9 gallons per hour per connection

= 198 gallons per hour / 60 minutes per hour

= 3.3 gallons per minute

Spill Volume

Once duration and flowrate have been estimated, the volume of the spill is the product of duration (hours or days) and the flowrate (gallons per hour or gallons per day).

For example: Spill start time = 11:00

Spill end time = 14:00

Spill duration = 3 hours

3.3 gallons per minute x 3 hours x 60 minutes per hour

= 594 gallons


WARNINGWATER CONTACT MAY

CAUSE ILLNESS

¡ AVISO!EL CONTACTO CON AGUA

PUEDE CAUSAR ENFERMEDADES

BY ORDER OF THE HEALTH OFFICERCounty of MarinFOR FURTHER INFORMATIONCALL: (415) 499-6907

OR CALL

PUBLIC WORKS SUPERINTENDENTCITY OF MILL VALLEY(415) 388-4033

WARNINGWATER CONTACT MAY

CAUSE ILLNESS

¡ AVISO!EL CONTACTO CON AGUA

PUEDE CAUSAR ENFERMEDADESBY ORDER OF THE HEALTH OFFICERCounty of MarinFOR FURTHER INFORMATIONCALL: (415) 499-6907OR CALL

PUBLIC WORKS SUPERINTENDENTCITY OF MILL VALLEY(415) 388-4033


Appendix OERP-C

Water Quality Monitoring Program

Template for SSO Technical Report



RICHARDSON BAY SANITARY DISTRICT

WATER QUALITY MONITORING PROGRAM

INTRODUCTION

This Water Quality Monitoring Program provides the Agency’s response activities and standard

operating procedures to be utilized in the OERP, in the event a sanitary sewer overflow (SSO)

exceeds 50,000 gallons. This program is reviewed periodically and may be updated as necessary.

State Water Resources Control Board Order No. WQ 2013-0058-EXEC, Amending Monitoring

And Reporting Program For Statewide General Waste Discharge Requirements For

Sanitary Sewer Systems (Effective September 9, 2013), requires the following:

SSO WDR Section D. Water Quality Monitoring Requirements

To comply with subsection D.7(v) of the SSS WDRs, the enrollee shall develop and implement

an SSO Water Quality Monitoring Program to assess impacts from SSOs to surface waters in

which 50,000 gallons or greater are spilled to surface waters. The SSO Water Quality Monitoring

Program, shall, at a minimum:

1. Contain protocols for water quality monitoring.

2. Account for spill travel time in the surface water and scenarios where monitoring may not

be possible (e.g. safety, access restrictions, etc.).

3. Require water quality analyses for ammonia and bacterial indicators to be performed by

an accredited or certified laboratory.

4. Require monitoring instruments and devices used to implement the SSO Water Quality

Monitoring Program to be properly maintained and calibrated, including any records to

document maintenance and calibration, as necessary, to ensure their continued accuracy.

5. Within 48 hours of the enrollee becoming aware of the SSO, require water quality

sampling for, at a minimum, the following constituents:

i. Ammonia

ii. Appropriate Bacterial indicator(s) per the applicable Basin Plan water quality

objective or Regional Board direction which may include total and fecal coliform,

enterococcus, and e-coli.

Additionally, for spills greater than 50,000 gallons, an SSO Technical Report is required and

must be submitted within 45 calendar days from the SSO end date. The SSO Technical Report

requirements are described in Element VI of the OERP.

RBSD Water Quality Monitoring Program

Updated June 2014

Page 2

SAFETY

Be aware of safety issues and do not subject personnel to unsafe conditions in order to comply

with this Water Quality Monitoring Plan. Scenarios where monitoring may not be possible may

include, but are not limited to, heavy rain/storm events where access points have been

compromised, flooding around low level areas, or fast-moving water. Employ the buddy system

as required to maximize employee safety when sample collection is required.

ESTIMATION OF SPILL TRAVEL TIME

The follow methods are recommended to estimate spill travel time and direction:

Method-1; use a velocity probe if available to determine the rate of flow in the surface

water or

Method-2; take visual ft/sec measurement from above, based on floating debris, to

estimate the number of feet the debris has traveled in seconds.

Either method will provide a means to estimate the distance traveled and identify where the SSO

may be headed within the waterway.

WATER QUALITY SAMPLING PROCEDURES

In the event an SSO reaches a surface water or (flowing) drainage channel tributary, take

samples for spills less than 50,000 gallons as appropriate and within 48 hours for spills

greater than 50,000 gallons. The purpose of water quality sampling is to determine the

nature and extent of the impact of the SSO.

When sampling an SSO, take a minimum of three separate sample sets as conditions

allow. Water quality sampling should not be given precedence over stopping the spill or

protection of public health. One sample shall be located 500’ upstream of the discharge

location. The second sample shall be taken at the discharge location. A third sample shall

be taken 1000’ downstream of the discharge location. Distances may be adjusted by the

local health authority.

Sample for Total and Fecal Coliform, eColi, and Ammonia as a minimum. Conduct

additional sampling for BOD and pH if practical.

Additional follow-up samples are recommended to confirm the extent that the impact

reverts back to baseline levels. Follow-up samples may be used to determine if posting of

warning signs should be discontinued (if signs were posted).

Collaboration with the County Health Department should continue until closure is

obtained.

Do not forget to take into account Spill Travel Time.


Updated June 2014

Page 3

WATER QUALITY SAMPLING EQUIPMENT

The following list describes equipment that should be stocked and readily available for each

water quality sampling event.

Personnel protective equipment including latex/nitrile gloves and eye protection

3 – 100 mL sterile plastic containers for coliform analysis.

3 – 1 Liter Poly containers for BOD.

3 – 500 mL Poly containers preserved with H2SO4 for Ammonia analysis.

3 – sterile funnels

1 – Sample Collection Container

Cooler with ice packs

Chain of Custody forms

Ensure that there are adequate quantities of sample containers-kits if there are more

than three sample locations.

WATER QUALITY SAMPLING PROCEDURE

1. Put on all required protective equipment including latex/nitrile gloves and eye protection

2. Use the 100 mL sterile container for coliform, 1-liter poly container for BOD and 500mL

poly container for ammonia. Ammonia sample requires preservation with H2SO4 .

3. Collect three sets of samples for each incident:

a. 500 feet upstream

b. At the SSO entry point

c. 1000 feet downstream

4. Collect all grab samples approximately 3’ - 6” below the surface (or if shallower, as close

as possible to this depth) to avoid sampling debris or scum from the surface.

5. Collect the sample in a safe manner in the middle of the flow, against the direction of

water flow.

6. Rinse the sample collection container.

7. Collect sample in sample collection container and photo-document the locations.

8. Transfer sample from sample collection container to individual sample bottle(s).

9. Leave approximately one inch of head space in individual sample bottles. Do not overfill.

10. Once the lid is opened for the individual sample bottle, do not touch the inside surface of

the bottle or lid.

11. For the sample bottles that contain a preservative, take care to keep the preservation

material in the container.

12. Immediately place all sample bottles on ice.


Updated June 2014

Page 4

13. Complete Chain of Custody form and take samples to contracted environmental

laboratory as described in the OERP.

Following are allowable hold times for the sample bottles:

Ammonia - 28 days (preserved and cooled)

Bacterial Indicator (enterococcus or fecal/total coliform) - 8 hours (preserved and cooled)

Biochemical Oxygen Demand - 48 hours (cooled)

pH Field Test - Immediate

DATE

State Water Resources Control Board

1001 I Street

Sacramento, CA 95814

Subject: Technical Report for Sanitary Sewer Overflow Greater than 50,000 Gallons

Event ID: XXXXXX

This submittal comprises the Sanitary Sewer Overflow (“SSO”) Technical Report (“Report”)

that is required by State Water Resources Control Board (“SWRCB”) Order No.WQ 2013-0058-

EXEC (“Order”). The Order requires each enrollee to submit an SSO Technical Report in the

California Integrated Water Quality System (“CIWQS”) online SSO database within 45 calendar

days of the SSO end date for any SSO in which 50,000 gallons or greater are spilled to surface

waters.

This Report comprises the following sections:

1. Causes and Circumstances of the SSO

2. Agency’s Response to SSO

3. Water Quality Monitoring

1.0 CAUSES AND CIRCUMSTANCES OF THE SSO

A. Description of how and when the SSO was discovered.

B. Figure 1 shows the SSO failure point, appearance point(s), and final destination(s).

C. Methodology and data used to calculate the volume of the SSO and any SSO volume

recovered.

Richardson Bay Sanitary District

Technical Report for SSO over 50,000 gallons

Event ID: XXXXX

Page 2

D. Detailed description of the cause(s) of the SSO.

E. Copies of original field crew records used to document the SSO are included at the end of

this Report.

F. The Order requests historical maintenance records for the failure location. The associated

pipe segment cleaning and CCTV history is provided in Table 1.

Table 1. Maintenance Results for Pipe Segment XXXXX-XXXX

Date Action: Clean or CCTV Summary of Findings

2.0 RBSD RESPONSE TO SSO

A. The following presents a chronology of all actions taken to terminate the SSO.

B. The actions described in 2A, above, followed the RBSD Sewer System Management Plan

(“SSMP”) Overflow Emergency Response Plan. Specifically, the activities related to initial

response, reporting, notifications and posting, and corrective measures were followed. The

RBSD SSMP includes a Water Quality Monitoring Plan that includes requirements from the

Order. RBSD completed water quality sampling within 48 hours after the end of the SSO, and

submitted these samples for bacteriological and ammonia testing as required by the Order.

C. Final corrective action(s) completed and/or planned to be completed, including a

schedule for actions not yet completed are described below.

Richardson Bay Sanitary District

Technical Report for SSO over 50,000 gallons

Event ID: XXXXX

Page 3

3.0 WATER QUALITY MONITORING

A. Water quality sampling activities conducted, including analytical results and evaluation of

the result, are as follows.

B. Figure 2 shows a location map showing water quality sampling points.

If you have further questions or would like additional information about this Technical Report,

please contact me by phone at (XXX) XXX-XXXX or by email at XXXXX@XXXX

Sincerely,

Johnny Tucker

District Manager

Documents

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