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 Somerville
This is the EPA’s response to Somerville’s new CSO control plan “draft scope”
Somerville Updated CSO Control Plan Scope of Work and Schedule 04/01/2022
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.
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
MWRA Final CSO Performance Assessment Hearing Notification
Massachusetts Water Resources Authority PRESS RELEASE Date: January 6, 2022 Contact: Ria Convery (617) 788-1105, email@example.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’s IDDE Stormwater MS4 Plan, June 2020
Somerville’s top six worst stormwater outfalls discharge into the Alewife Brook.
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 2020 Stormwater Management Plan
This document outlines the stormwater management practices that are currently in place and ones that will be implemented in the future both under the City’s volition and to comply with the requirements of the 2016 MS4 General Permit and the 2019 Administrative Order issued from the EPA to the City. EPA NPDES Permit Number MAR041082Continue reading “Somerville’s 2020 Stormwater Management Plan”
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.
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’s 2003 Alewife Master Plan Map North
This is the MDC (rebranded as DCR) map of the Arlington and Somerville half of the Alewife Master Plan.
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.