Document Category Archives

H.886 Fact Sheet: An Act Relative to Combined Sewer Overflows

Please Support H.886: An Act Relative to Combined Sewer Overflows Filed by Representatives Adrian Madaro and David Rogers THE WATER POLLUTION PROBLEM: RAW SEWAGE IS BEING DUMPED INTO OUR WATERWAYS THIRTY-EIGHT YEARS after the legislature created the Massachusetts Water Resources Authority (MWRA) to end the dumping of sewage and sludge into Boston Harbor, and twenty-fiveContinue reading “H.886 Fact Sheet: An Act Relative to Combined Sewer Overflows”

MWRA CSO MAP

This is the Massachusetts Water Resources Authority map from 2016, which we believe has not changed as of 2023. It shows active CSOs as green dots. CSOs with 25-year level of control as orange dots, CSOs with treatment facilities as green dots with yellow outlines, and closed CSOs as red dots. There are six UNTREATEDContinue reading “MWRA CSO MAP”

Alewife Brook 2004 Through 2021 Calendar Year and Typical Year Hydraulic Model Results vs LTCP

The “Alewife Brook 2004 Through 2021 Calendar Year and Typical Year Hydraulic Model Results vs LTCP” chart was presented by MWRA to Arlington Select Board on 02/14/2022. This chart shows actual sewage pollution discharge volume in grey, actual rainfall in light blue, and the required LTCP goal in red. The grey bars show an upwardContinue reading “Alewife Brook 2004 Through 2021 Calendar Year and Typical Year Hydraulic Model Results vs LTCP”

March 2022 Letter to Regulators from StAB & Watershed Associations

March 11, 2022   Via email   Regional Administrator David Cash Environmental Protection Agency, Region 1 5 Post Office Square, Suite 100 Boston, MA 02109 david.cash@epa.gov   Commissioner Martin Suuberg Massachusetts Department of Environmental Protection One Winter Street Boston, MA 02108 martin.suuberg@state.ma.us   Dear Regional Administrator Cash and Commissioner Suuberg:   We are at anContinue reading “March 2022 Letter to Regulators from StAB & Watershed Associations”

Somerville Stormwater Map

Dated June 15, 2020. Awesome map of Somerville stormwater, combined system, and sanitary system. Includes: Storm Discharge Points, CSO Outfalls, MBTA Connections, Stormwater Manholes, Sanitary and Combined Manholes, Separate Stormwater Drainage System, Sanitary and Combined Sewer System, Separate Drainage Area

Cambridge Catchment and Combined Sewer Map

This is a very cool and easy-to-read map of Cambridge’s stormwater catchments. It is well designed and includes watershed borders, combined sewer outfalls, and a listing of Cambridge’s combined sewers and separated sewers.

MWRA Final CSO Performance Assessment Hearing Notification

Massachusetts Water Resources Authority PRESS RELEASE Date: January 6, 2022 Contact: Ria Convery (617) 788-1105, ria.convery@mwra.com Public Briefing on MWRA’s CSO Post-Construction Monitoring and Performance Assessment, Final Report The Massachusetts Water Resources Authority (MWRA) will hold a virtual public briefing on the findings of its Combined Sewer Overflow (CSO) Post-Construction Monitoring and Performance Assessment on Thursday, FebruaryContinue reading “MWRA Final CSO Performance Assessment Hearing Notification”

MWRA 2021 Final CSO Performance Assessment

MWRA CSO Report is Unfair to Alewife’s Environmental Justice Populations On December 30, 2021, the Massachusetts Water Resource Authority (MWRA) published its anticipated Final CSO Performance Assessment, as part of a series of regulatory reports that have been submitted to the U.S. Environmental Protection Agency (EPA) and the Massachusetts Department of Environmental Protection. These reports areContinue reading “MWRA 2021 Final CSO Performance Assessment”

Somerville Stormwater Management Map, June 2020

Stormwater Management Map. Includes: Storm Discharge Points, CSO Outfalls, Stormwater Manholes, Sanitary and Combined Manholes, Separate Stormwater, Drainage System, Sanitary and Combined, Sewer System, Separate Drainage Area Alewife Brook Use Impairments: Phosphorus, E. Coli, TSS, Copper and Lead Mystic River Use Impairments: Phosphorus, E. Coli, Fecal Coliform, Petroleum Hydrocarbons, TSS, Copper and Lead

MWRA BIANNUAL COMPLIANCE AND PROGRESS REPORT AS OF JUNE 25, 2021

CIVIL ACTION No. 85-0489-RGS UNITED STATES DISTRICT COURT for the DISTRICT OF MASSACHUSETTS UNITED STATES OF AMERICA, Plaintiff, . v. METROPOLITAN DISTRICT COMMISSION, . et al., Defendants. . CIVIL ACTION No. 83-1614-RGS CONSERVATION LAW FOUNDATION OF . NEW ENGLAND, INC., Plaintiff, . v. METROPOLITAN DISTRICT COMMISSION, Defendants. . This is the MWRA BIANNUAL COMPLIANCE ANDContinue reading “MWRA BIANNUAL COMPLIANCE AND PROGRESS REPORT AS OF JUNE 25, 2021”

Somerville’s 2017 Infrastructure Presentation

New projects described here include combined sewer separation, flood control are encouraging. Interesting data about how old Somerville’s sewer infrastructure is and how little work has been done to modernize it in the last hundred years.

Court Case 2016 Document, including Compliance Order 239, USA v. MDC & CLF v. MDC

Doug Foy, Esq., director of the Conservation Law Foundation, who brought the groundbreaking Boston Harbor Clean-up lawsuit, probably quoting an ubran sociologist, said, “A great city had three characteristics: It had world-renown cultural and educational institutions. It had enduring distinctive residential neighborhoods, and it had a body of water that it embraced.”

CRWA MyRWA 2021 Letter re US v MDC

2021 Letter from the Charles River Watershed Association and the Mystic River Watershed Association to the US District Court regarding the federal court case U.S. v. MDC and the state CLF v. MDC court cases.

Alewife Reservation Stormwater Wetland MCWRA 2017 Symposium

This is a powerpoint presentation by Carter Stantec for the 2017 Massachusetts Coalition for Water Resources Stewardship Symposium. Sustainable water infrastructure planning. Amazing document features photos of the construction of the Alewife Reservation Storm Water Wetland, sewer separation, inflow removal, flush vaults, a bioswale, biobasin, and porous pavement.

Cambridge’s 2017 Alewife Sewer Separation Project Overview

Wondering what’s involved in combined sewer separation and CSO elimination work? This is Cambridge’s $90 million Alewife Sewer Separation Project Overview for CAM004, which was completed as part of the first Long Term CSO Control Plan. It includes photos of digging holes, laying pipe, upgrading water mains and gas lines, street and sidewalk reconstruction, mitigatingContinue reading “Cambridge’s 2017 Alewife Sewer Separation Project Overview”

Cambridge’s 2019 Alewife District Plan

This is Cambridge’s 2019 Alewife Planning and Development document. It includes information about flooding, water quality, open space, green infrastructure, and Climate Change.