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CSO and SSO Notifications

Climate Change
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Aqueduct Trails

Natick Trail

About the Aqueduct Trails
What Not to Flush
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It's a toilet, not a trash can!

Massachusetts Water Resources Authority
Charlestown Navy Yard, 100 First Avenue
Boston, Massachusetts 02129
(617) 242-6000

Your Drinking Water and CoVid-19

March 12, 2020


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MWRA Business Contacts During CoVid-19

April 3, 2020

Important Notice

MWRA Staffing Schedule for Week of June 29 - July 2

Coronavirus Portal

MWRA COVID-19 Fillable Self Certification of Health (PDF)

MWRA COVID-19 Safety Protocol (PDF) - Updated 6/19/20

Help Prevent COVID-19 With Social Distancing (video)

Stop the Spread of Germs like Seasonal Flu and COVID-19 (video)

Related Press Releases:

COVID-19 Update for Building Managers
CoVid-19 and Wipes
MWRA 24-Hour
Emergency Contacts
Water: 617-305-5950
Sewer: 617-305-5940
Security: 877-697-6972
TTY: 617-371-1903
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About Lead in
Drinking Water
How Much Water Is In Our Reservoirs?
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How much we have
How much we use

Recent and Historic Data
Harbor and Bay Monitoring
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Facts about Fluoride


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MWRA to Pilot COVID Resurgence Study with Biobot

June 29, 2020

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MWRA's June 24, 2020 Board of Directors Meeting to be Held Virtually

June 19, 2020

Update for MWRA Northern Intermediate High Project in Stoneham (Contract 7067)

June 16, 2020

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Update on Commonwealth Avenue Pumping Station Improvements (MWRA Contract 7524)

June 16, 2020

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Update for MWRA Southern Extra High Pipeline Project, Dedham North (MWRA Contracts 7504/7505)

June 16, 2020

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Disposal of Stale Beer and Food Waste

June 5, 2020


MWRA Water Report is in the Mail

June 1, 2020

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Deer Island Public Access to Open Thursday

May 26, 2020

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MWRA Completes New Water System at Quabbin Cemetery in Time for Memorial Day

May 22, 2020

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MWRA Asks Residents: Please Don't Swim in the Fells

May 15, 2020

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MWRA and MWRA Advisory Board Approve $100 Million in Rate Relief

May 15, 2020


MWRA Celebrates Drinking Water Week

May 4, 2020

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MWRA Recognizes 10 Year Anniversary of Shaft 5 Water Main Break

May 1, 2020

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Project Update for the Massachusetts Department of Fish and Game Public Access Fishing Pier at Deer Island

Updated February 27, 2020

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EWG Report on Drinking Water

October 24, 2019

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MWRA Water Again Named “New England’s Best,” Wins Taste Test at New England Water Works Association Conference

September 26, 2019


About PFASs in MWRA Drinking Water

Updated August 23, 2019

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MWRA Featured on WCVB's Chronicle

Learning from the past and preparing for future water needs

March 27, 2019

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New Study Finds Boston Harbor Cleanup Was Worth It

December 17, 2018

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Another Milestone for the Boston Harbor Cleanup - Woods Hole Report on Flounder

November 29, 2018

News Release Archive Page


Boston's Water Wins Tap vs. Bottled Taste Test
at Old Colony Housing Development

(Boston Public Health Commission YouTube Video)
Updated September 22, 2015

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Mystic River Watershed Association Fighting Back Against Water Chestnut Invasion (via SCATV)

July 29, 2014

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Well vs. MWRA Water Taste Test

July 22, 2013

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Boston Globe Magazine's Soundtrack video captures the "hypnotic sight and sound" of MWRA's Charlestown Wind Turbine

March 18, 2013

Power of Windmills Courtesy The Travel Channel

The Power of Windmills: Deer Island windmill featured in the Travel Channel's "Off Limits" clip

October 17, 2011

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NECN Presents Underneath it All:
Inside Boston's Sewer System

October 17, 2011

More Videos on Our YouTube Page

Water Reports

MWRA Annual Water Quality Report

2019 Annual Drinking Water Test Results


Monthly Community Water Use Report


Monthly Water Supply Status Update


Monthly Drinking Water Quality Update


Report on Quabbin Pilot Program (PDF)



Sewer Reports

MWRA Every Drop Counts

How Clean is Boston Harbor?

April 23, 2018

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A Healthy Environment Starts at Home

Our free guide to reducing the use of hazardous household products (PDF)

Annual Industrial Waste Report


CSO Post Construction Monitoring and
Performance Assessment Reports


How Clean is Boston Harbor? MWRA Sewer Report


CSO Discharge Estimates and Rainfall Analyses


CSO Water Quality Report (PDF)


Annual CSO Control Plan Progress Report


Annual Infiltration/Inflow Report (PDF)



Harbor, Bay and NPDES Reports

State of Boston Harbor Report


Financial Reports

Final FY 2021 Assessments to Communities (Rates)


Final FY20 Current Expense Budget (CEB)


Proposed FY21 Capital Improvement Program (CIP)


Information for Investors and Capital Finance Business Partners


MWRA Comprehensive Annual Financial Report
For the Fiscal Years Ended June 30, 2018 and 2017



Organization and Management Reports

Board of Directors Quarterly Report on Key Indicators of MWRA Performance


Master Plan



Court Report


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