Water Supply and Conservation Update 09-09-14

8/11/2019 Water Supply and Conservation Update 09-09-14

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CITY OF CARMEL-BY-THE-SEA

Council Report

September 9, 2014

To: Honorable Mayor and Members of the City Council

From: Jason Stilwell, City Administrator

Submitted by: Sharon Friedrichsen, Public Services Director

Subject: WATER SUPPLY AND CONSERVATION UPDATE

RECOMMENDATION(S):Council receives a report from California American Water on the States mandatory waterconservation regulations and efforts undertaken to increase water supply and conservation.

EXECUTIVE SUMMARY: In response to the drought conditions, the State Water Resources Control Board adopted anemergency regulation to increase water conservation. These regulations, which becameeffective on July 29, 2014, primarily focus on outdoor urban water use. The purpose of thepresentation is to learn about the efforts of California American Water pertaining to thedrought, including monitoring and repairing water leaks, exploring alternative sources of waterand promoting water conservation.

ANALYSIS/DISCUSSION : (including why Council is considering the item and justification for recommendation)New regulations by the State prohibit all Californians from using potable water to wateroutdoor landscaping that causes runoff; from washing motor vehicles with a running hose(hose must have shut off nozzle); from hosing down sidewalks and driveways and from usingrunning fountains or other decorative water features that do not re-circulate water. Watersuppliers serving more than 3,000 connections must mandate that outdoor irrigation bereduced to no more than twice a week (Monday and Saturday for Peninsula) and assesscompliance efforts at the local level. The Monterey Peninsula Water Management District hasseveral water conservation actions contained within the Stage 1 Water Conservation andNon-Essential Water Use and Water Waste Rules related to water conservation.

A key part of water conservation is to immediately correct leaks, breaks and othermalfunctions. As such, Council will receive an update from California American Waterregarding its program for water leakage detection and repair. The agency will also provide an


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PREVIOUS COUNCIL ACTION/DECISION HISTORY: Maintaining a leadership role in developing a long- term solution to the regions water supplyand developing additional local water conservation and water supply alternatives is a 2014

Council key initiative. Council has received numerous updates related to solutions pertainingto the regions water supply.

ATTACHMENTS :

1. Water Conservation and Water Leaks Report

APPROVALS:

REVIEWED BY:

City Administrator Administrative Services Director of CPB Director of Public Services

Public Safety Director Library Director Other: ___________ City Attorney


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Water Conservation & Water LeaksCity of Carmel-by-the-SeaSept. 9, 2014

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Conservation Requirements & Incentives

The following outdoor potable water uses are prohibited:

Watering of any driveway or sidewalk

Watering that results in runoff onto adjacent property, non-irrigatedareas, private and public walkways, roadways, parking lots orstructuresUsing a hose to wash a car, unless the hose is fitted with a shut-offnozzle

Using potable water in a fountain or decorative water feature, unlessthe water is recirculated.Outdoor irrigation on Wednesdays and Saturdays before 9 am andafter 5 pm only.

MPWMD water waste definition and information on rebates and freeconservation devices and home water audits atwww.montereywaterinfo.org

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Testing Areas

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Harron Canyon

Big Su r ln temat ion a lMarathon oq

Carme l Mi ss ion Inn

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Water at 11 th & Torres Surveyed 13 miles ofmain line using sonic leakdetection amplificationinstrument

Investigation included

sanitary sewer, stormsewer, reclaimed waterforce main

No leaks found that couldaccount for quantity ofwater on property

Recommendation to divertwater to sanitary sewersystem recycledwater

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Water at 11 th & Torres

Multiple water quality tests including zinc test

Water under house matches characteristics of groundwater

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Water quality testing

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Flow Rate

DATE TIME GALLONS TOTAL MINS. GPMAug. 25 2:33 p.m. 7657198

Aug. 26 10:00 a.m. 7664962 7764 6.58

Aug. 27 10:30 a.m. 7674393 91431 6.37

Aug. 28 2:00 p.m. 7684877 10484 6.357

Ocean Avenue Catchment

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8

Carpenter between 1st and Valley Way

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Third & Junipero

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Non-Revenue Water

10

1,449

1,025

524

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500

1,000

1,500

2,000

2010 -2011 2011- 2012 2012 - 2013

A c r e

F e e

t

Year

Main System Losses (Non Revenue Water) in Acre Feet

Base Actual

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Documents

Water Supply and Conservation Update 09-09-14