CSO and SSO Notfications

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CSO and SSO Notifications

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Climate Change
Renewable Energy
CSO Control

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
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Wastewater COVID-19 Tracking

Updated: January 20, 2021


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 Schedule: Week beginning January 18

Important Reminder for MWRA Staff Planning to Travel

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:

MWRA to Pilot COVID Resurgence Study with Biobot
Disposal of Stale Beer and Food Waste
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
Sign Up For Notifications

Want to know how your water quality is? Looking for updates on the MWRA construction project in your neighborhood? What if there is a water emergency in your area? MWRA can keep you informed when you’re at home, at work or on the road. Take a few minutes to sign up and get notifications on your phone, by email, or text message.

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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's January 20, 2021 Board of Directors Meeting to be Held Virtually

January 19, 2021

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Stem, Inc. Awarded Project to Deliver Smart Energy Storage to MWRA

January 15, 2021

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MWRA Work Will Impact Rte. 1 Traffic in Saugus

January 5, 2021

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MWRA's December 16, 2020 Board of Directors Meeting to be Held Virtually

December 16, 2020

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Update for Dorchester Interceptor Sewer Sections 240/241/242 Rehabilitation
(MWRA Contract 7279)

December 14, 2020

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Update for Nut Island Odor Control and HVAC Improvements: MWRA Contract
(MWRA Contract

December 14, 2020

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

December 14, 2020

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

December 14, 2020

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MWRA Work Will Impact Rte. 1 Traffic in Saugus

December 10, 2020

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Notice of MWRA Work in Watertown for Pipeline Improvement

December 2, 2020

map courtesy townmapsusa.com

Notice of OPEB Trust Remote Meeting

December 2, 2020

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Project Update for Weston Aqueduct Supply Main Rehabilitation (WASM) - Arlington, Medford and Somerville (MWRA Contract 6544)

November 25, 2020

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Special Notice For Residents of Waltham

November 4, 2020

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Status of MWRA Reservoirs

Updated October 19, 2020


Announcing Our 2019-2020 Poster and Essay Contest Winners!

October 2, 2020


About PFAS in MWRA Drinking Water

Updated September 30, 2020

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

SCATV Video Screen Shot

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

July 29, 2014

screen shot boston globe water video

Well vs. MWRA Water Taste Test
on Boston.com

July 22, 2013

Boston Globe Soudtrack Image

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 Drinking Water Quality Update


Monthly Community Water Use Report


Monthly Water Supply Status 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 FY21 Capital Improvement Program (CIP)


Final FY21 Current Expense Budget (CEB)


Information for Investors and Capital Finance Business Partners


MWRA Comprehensive Annual Financial Report For the Fiscal Years Ended June 30, 2019 and 2018



Organization and Management Reports

Board of Directors Quarterly Report on Key Indicators of MWRA Performance


Master Plan



Court Report


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