CSO and SSO Notfications

Somerville Marginal

CSO and SSO Notifications

storm at deer island

Climate Change
Renewable Energy
CSO Control

Aqueduct Trails

Natick Trail

About the Aqueduct Trails
What Not to Flush
Toilet lever what not to flush

It's a toilet, not a trash can!

Massachusetts Water Resources Authority
Charlestown Navy Yard, 100 First Avenue
Boston, Massachusetts 02129
(617) 242-6000
map courtesy townmapsusa.com

Wastewater COVID-19 Tracking

Updated: June 21, 2021

map courtesy townmapsusa.com

PFAS Testing in MWRA Drinking Water

May 24, 2021

Important Notice


There are no important notices at this time.

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.

Follow Us
twitter icon
Instagram badge
YouTube button
Board of Directors
Quabbin Reservoir webcam thumbnail image
Click on the picture for
a larger image in a new window
About Lead in
Drinking Water
How Much Water Is In Our Reservoirs?
quabbin reservoir image
How much we have
How much we use

Recent and Historic Data
Harbor and Bay Monitoring
crab on the bay floor
Facts about Fluoride


mwra logo

MWRA to Hold Hybrid In-Person/Remote Board of Directors Meeting on June 23, 2021

June 21, 2021

map courtesy townmapsusa.com

MWRA Work on the Lynn Fells Parkway in Melrose Will Impact Traffic

June 17, 2021

map courtesy townmapsusa.com

MWRA Annual Water Quality Report is in the Mail - Water Named "Best of the Best" in National Water Taste Test

June 16, 2021

map courtesy townmapsusa.com

Algae at Quabbin Reservoir

June 14, 2021

map courtesy townmapsusa.com

OPEB Meeting Notice for June 16, 2021

June 14, 2021

map courtesy townmapsusa.com

Announcing Our 2020-2021 Poster and Essay Contest Winners!

June 4, 2021

map courtesy townmapsusa.com

MWRA's May 26, 2021 Board of Directors Meeting to be Held Virtually

May 24, 2021

map courtesy townmapsusa.com

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

May 20, 2021

map courtesy townmapsusa.com

CSO Public Briefing Notice for May 21, 2021

May 10, 2021

project photo

MWRA Beginning Construction on the Intersection of Shirley Street and Tafts Avenue

May 5, 2021

project photo

MWRA Celebrates Drinking Water Week

May 3, 2021

Swearing in photo

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

April 27, 2021

Project image

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

April 27, 2021

Project image

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

April 27, 2021

Project image

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

April 27, 2021

map courtesy townmapsusa.com

MWRA Maintenance Work May Cause Discolored Water & Lower Pressure in Parts of Melrose

April 16, 2021

map courtesy townmapsusa.com

MWRA Urges Water Conservation

April 15, 2021

map courtesy townmapsusa.com

COVID-19 and Wipes

April 1, 2021

map courtesy townmapsusa.com

MWRA Work Will Impact Public Access at Deer Island

March 29, 2021

map courtesy townmapsusa.com

Quinapoxet Dam Removal Ecological Restoration Project

March 1, 2021

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

mwra manhole cover

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

A Healthy Environment Starts at Home cover

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

Preliminary FY 2022 Assessments to Communities (Rates)


Proposed FY22 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


PDF files on this site require Adobe Acrobat Reader®. Free download.
Videos require Apple Quicktime or Windows Media Player

Privacy Policy | Transparency | Public Records Requests

Go to Commonwealth of Massachusetts Website (mass.gov) | Links