Massachusetts Water Resources Authority

Report on 2016 Water Use Trends and Drought Status

January 18, 2017

3

Total Consumption by MWRA Communities (1980 to 2016)

150

170

190

210

230

250

270

290

310

330

1980 1985 1990 1995 2000 2005 2010 2015

mgd

2016 --200.7. mgd

4

Daily System Demand

100

150

200

250

300

350

mgd

System Demand

max day 2016

5

Boston Water Use (1900 to 2016)

40

60

80

100

120

140

160

1901

1911

1921

1931

1941

1951

1961

1971

1981

1991

2001

2011

MG

D 2016 average = 65.5 mgd

6

Fully Supplied Communities Demand (2000 to 2016)

7

Fully Supplied Communities (Annual Base and Outdoor Use)

2000 2002 2004 2006 2008 2010 2012 2014 2016

mgd

050

100

150

200

250

IndoorOutdoor

8

Partially Supplied Communities

Annual demands shown as barplots, while daily is shown as a linegraph on this composite plot.

9

Reservoir Withdrawals Reservoir Withdrawals –– 5 Year Running Average

190200210220230240250260270280290300310320330340350

1980 1985 1990 1995 2000 2005 2010 2015

Mill

ion

of G

allo

ns P

er D

ay

5-yr Running Average Safe Yield

5-year average withdrawal = 204.3 mgd

Massachusetts Drought Status Designations

10

It Has Continued To Be Dry In the Service Area

11

5%

50%25%

95%

75%

Driest Summer on Record

12

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual

Long-term Average 3.64 3.36 4.01 3.57 3.37 3.46 3.04 3.40 3.29 3.44 4.01 4.09 42.7

2016 Total 3.27 4.18 3.17 2.91 2.83 1.33 0.87 1.72 1.38 5.46 2.7 3.25 33.07

Driest summer ever recorded. Total only 3.92 inches

Inches of Precipitation at Logan Airport

Cum

ulat

ive

Yie

ld -

Mill

ion

Gal

lons

1000

030

000

5000

070

000

9000

011

0000

Jan

Feb

Mar Apr

May Jun

Jul

Aug

Sep Oct

Nov

Dec

13

QuabbinQuabbin Watershed Watershed -- Cumulative Yields

5%

50%

25%

95%

75%

2016 Cumulative Yields

1965 Cumulative Yields

1964 Cumulative Yields

2015 Cumulative Yields

60

70

80

90

100

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

% F

ull

20002001200220032004200520062007200820092010201120122013201420152017

14

QuabbinQuabbin Reservoir Volume

Below Normal

Normal

Warning

2002

2016

20172003

15

Quabbin Reservoir Projections Quabbin Reservoir Projections –– Starting January 1, 2017

1-Month 3-Months 6-Months 12-Months

Median YieldBelow Normal Below Normal Normal Normal

Dry (75th Percentile) Below Normal Below Normal Below Normal Normal

Driest(of Record) Below Normal Below Normal Below Normal Below Normal

16

Communities That Received Emergency Drought Assistance in 2016

Community Amount Supplied (Million Gallons)

Worcester 847.3

Cambridge 515.2

Burlington 7.9

Ashland 3.2

• Quabbin Reservoir remains in Below Normal status • There is sufficient water to meet MWRA member

community demand • Plus help adjacent communities that are stressed by

the drought

17

Summary

Massachusetts Water Resources Authority

Settlement Agreement for Various Design Contracts and Hatchery Pipeline and

Hydroelectric Project Amendment No. 2Contract 7017A

January 18, 2017

20

Settlement Agreement

Design Errors and Emissions Stantec (Formerly Fay, Spofford, and Thorndike)

Contract ProjectConstruction

Cost6584 Lynnfield/Saugus Pipeline $4.92 M7259 North Dorchester Bay Vent building $5.16M

7085A CWTP Secondary Gaseous Oxygen $ 1.23M

Settlement Agreement

• $70,000 Credit to MWRA for Design Errors and Omissions• Applied to Contract Hatchery Pipeline and Hydroelectric

Project

21

Amendment No. 2 Amendment No. 2 -- $146,000

• Design Improvements $ 83,737

• Meter, Valve and Hydrant at Hatchery Mixing Basin• Value Engineering/Cost Reduction• Permit Fee Reimbursement

• Engineering Services During Construction and and Three Month Time Extension $62,263

22

Amendment No. 2

• Time Extension – 3 months to September 1, 2017• Current Stantec End Date: May 31, 2018• Current Construction Substantial Completion: Sept. 1, 2017• Current Warranty End Date Sept. 1, 2018

• Negotiated Settlement- 5B and Amendment Request• Additional Services Provided $146,000• Subtract 5B Settlement $ 70,000

(N Dot Vent Blg., Saugus Pipeline, Gaseous O2)• Reallocation – Unexpended Funds $ 76,000 • Balance $ 0

23

Project Status

• Pipeline on line - December 2016• Substantial Completion – September 2017

• Stainless steel pipe below Rt. 9 Bridge.

Stainless Steel Pipe Below Rt. 9 Bridge. Hydropower Building

Massachusetts Water Resources Authority

NIH Redundancy PipelineDesign, ESDC/REI

Contract 6906

January 18, 2017

26

NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906

27

NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906 NIH Redundancy PipelineContract 6906 Contract 6906 -NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy Pipeline

-- Original Project Route

Contract 7066:• 19,600 linear feet of 48-inch pipeline• Original Anticipated NTP December 2013.• Substantial Completion December 2016

Contract 7067:• 16,500 linear feet of 36-inch pipeline• Original Anticipated NTP September 2013• Substantial Completion September 2016

28

NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906 NIH Redundancy PipelineContract 6906 Contract 6906 -NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy Pipeline

-- Current Project RouteContract 7066:• 2,400 linear feet of 36-inch pipeline• Completed May 2015.

Contract 7471:• 8,800 linear feet of 36-inch pipeline• NTP January 2016• Substantial Completion December 2017

Contract 7478: • 7,800 linear feet of 48-inch pipeline• 2,600 linear feet of 16 and 12-inch pipeline• NTP January 2017• Substantial Completion June 2018

Contract 7067:• 14,000 linear feet of 48-inch pipeline• Anticipated NTP May 2017• Substantial Completion December 2019

• Time Extension 39 Months(September 2017 - December 2020)

• Task 1 Project Administration $103,409

• Task 3 Engineering Services During Construction $306,722

• Task 4 Resident Engineering Services $490,723

• Amendment 2 Total $ 900,854

29

NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906 NIH Redundancy PipelineContract 6906 Contract 6906 –NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy Pipeline

–– Amendment 2 Summary

Massachusetts Water Resources Authority

January 18, 2017

Northern Intermediate High, Section 110Contract No 7471 – Change Order 7

Contract No 7471 NIH

Plan

Added contaminated limits from soil

analysis

Original contaminated soil

limits

GeoprobeGeoprobe on Oak Street on Oak Street -- Reading

• Pre-Characterization of Soil

GeoprobeGeoprobe on Main Street on Main Street -- Reading

• Pre-Characterization of Soil

Excavation and Pipe Installation