Drinking Water Quality

MWRA Annual Water Quality Report

Annual Water Report - 2022

CSO and SSO Notifications

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CSO and SSO Notifications

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Climate Change
Environmental Justice
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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
Deer Island, 33 Tafts Avenue
Boston, Massachusetts 02128

(617) 242-6000

 

 
map courtesy townmapsusa.com


Wastewater COVID-19 Tracking

Updated: February 26, 2024

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PFAS Testing in MWRA Drinking Water

Updated March 2023

map courtesy townmapsusa.com

We're Hiring!

MWRA has a number of job openings. Be part of a team that works to protect public health and the environment.

Important Notice

No current updates.

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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News

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February 26th Deer Island Emergency Response


February 27, 2024

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EEA Releases Environmental Justice (EJ) Strategy


February 16, 2024

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MWRA to Hold Board of Directors Meeting on February 21, 2024


February 15, 2024

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MWRA Advisory: February Valve Exercise Maintenance in the Greater Boston Area


January 31, 2024

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MWRA Releases Greenhouse Gas Inventory Update


January 19
, 2024

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MWRA to Hold Board of Directors Meeting on January 17, 2024


January 12
, 2024

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MWRA featured in DCR's "Cutting the Salt" Video

January 6, 2024

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MWRA Advisory: January Valve Exercise Maintenance in the Greater Boston Area


December 29, 2023

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MWRA to Hold Board of Directors Meeting on December 13, 2023


December 11, 2023

Swearing in photo

Update on Section 89 Northern Intermediate High Pipeline Replacement: MWRA Contract 7117

December 5, 2023

Swearing in photo

Update on Section 23, 24 and 47 Water Mains - Boston and Newton (Contract 6392)

December 5, 2023

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Announcing the 2023-2024 Poster & Essay Contest

November 21, 2023

Chestnut Hill drawdown

MWRA to Temporarily Lower Water Level at Chestnut Hill Reservoir for Invasive Plant Control

October 30, 2023

Foss Resevoir drawdown MWRA to Temporarily Lower Water Level at Foss Reservoir for Invasive Plant Control

October 30, 2023

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Public Notice - Chelsea Traffic Light Project

September 8, 2023

News Release Archive Page

Video


Welcome To Deer Island Pier

Updated November 1, 2021

Visit our YouTube page here

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

2023 Annual Drinking Water Test Results

06/2023

Monthly Drinking Water Quality Update

02/2024

Monthly Community Water Use Report

01/2024

Monthly Water Supply Status Update

01/2024

Report on Quabbin Pilot Program (PDF)

08/2009

 

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

10/2022

CSO Post Construction Monitoring and
Performance Assessment Reports

01/2023

CSO Annual Report: CSO Discharge Estimates and Rainfall Analyses for Calendar Year 2021

04/2022

How Clean is Boston Harbor? MWRA Sewer Report

04/2018

CSO Discharge Estimates and Rainfall Analyses

04/2022

Annual CSO Control Plan Progress Report

03/2016

Annual Infiltration/Inflow Report (PDF)

08/2014

 

Harbor, Bay and NPDES Reports

State of Boston Harbor Report

 

Financial Reports

Preliminary FY 2024 Assessments to Communities (Rates)

03/2023

Final FY24 Capital Improvement Program (CIP)

12/2023

Final FY24 Current Expense Budget (CEB)

12/2023

Information for Investors and Capital Finance Business Partners

12/2023

MWRA Annual Comprehensive Financial Report For the Fiscal Years Ended June 30, 2022 and 2021

01/2023

 

Organization and Management Reports

Board of Directors Quarterly Report on Key Indicators of MWRA Performance

02/2024

Master Plan

05/2019

 

Court Report

 

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