“The overall goal of this feasibility study is to estimate the potential benefits of operating Spy Pond as a stormwater capture basin in order to reduce downstream peak flows that can cause flooding in neighboring communities along Alewife Brook. A secondary goal was to evaluate whether these operations could also provide benefits in terms ofContinue reading “Spy Pond Stormwater Capture Feasibility Study, 2020”
Document Category Archives
EPA response to Draft Scope, sent to MWRA
This is the EPA’s May 11, 2022, guidance for MWRA, regarding their new CSO control plan “draft scope”
EPA response to Draft Scope, sent to Cambridge
This is the EPA’s guidance for Cambridge, regarding their new CSO control plan “draft scope”
EPA response to Draft Scope, sent to Somerville
This is the EPA’s response to Somerville’s new CSO control plan “draft scope”
MWRA 2018 Wastewater Master Plan
1978 MAPC Boston Area Waste Treatment Management Plan
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 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”