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”
Document Category Archives
Typical Year Rainfall Analysis for Cambridge-Somerville-MWRA Combined Sewer Overflow (CSO) Control Plans
Development of Future Typical Year of Rainfall Technical Information in Support of the December 15th Public Meeting: Development of Future Typical Year of Rainfall 12.2.2022
Alewife CSO Permittees Request Extension
The 2019 Alewife Brook CSO Variances (permits to pollute through sewage pollution discharges) expire on August 31, 2024. A requirement of the Variances is that a control plan be in place to improve conditions. As you are aware, the process has begun to create a new CSO control plan. However, the Alewife CSO Permittees (Cambridge,Continue reading “Alewife CSO Permittees Request Extension”
EPA response to Draft Scope, sent to Cambridge
This is the EPA’s guidance for Cambridge, regarding their new CSO control plan “draft scope”
City of Cambridge CSO Control Plan Scope
1978 MAPC Boston Area Waste Treatment Management Plan
SOM001A Tannery Brook Area
SOM001A Tannery Brook 1873 Atlas Detail
This is a cool image of the Tannery Brook, taken from the 1873 Atlas.
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”
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”
United States v. Metropolitan District Commission July 2021
Civil Action 83-1614-RGS United States District Court, District of Massachusetts United States v. Metropolitan District Commission Decided Jul 23, 2021
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.”
MDC 2003 Master Plan Map South
This is the Cambridge half of the MDC (rebranded DCR) 2003 Master Plan Map South.
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”
MPC 1904 Report on Improvement of the Upper Mystic and Alewife by John R Freeman
1904 Metropolitan Parks Commission Report on Alewife Improvements, including tidal gates and channelization of the Alewife to improve the mosquito / malaria problems. Remarkable documentation of regional community collaborative effort.
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.
Cambridge’s 1979 Alewife Development Plan, aka The Fishbook
This is Cambridge’s Alewife Development Planning document from 1979. The MBTA’s Alewife T stop was not yet constructed, but the design of it is included here. There is a section on flooding, but not on water quality.