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Sewer Department
Announcement:
As of December 18th, 2018, the Cohasset Sewer Commission has adopted a "One Strike" policy for misuse of town-owned grinder pumps. Misuse means flushing inappropriate material that causes damage to the pump. The grinder pumps cannot handle baby wipes, floss, tampons, q-tips or any other material besides normal sewage and toilet paper. After the first service call to a grinder pump found clogged with inappropriate material, the resident will be responsible for the cost incurred by any subsequent service calls where inappropriate material is found. Please see the tab labeled "Town-Owned Grinder Pumps" at the bottom of this page for more information.
Mission
The Sewer Commission was established by an Act of the State Legislature in 1962. The Commission is responsible for establishing and implementing the policies which manage the Town's sewage collection system and wastewater treatment plant. The Waste Water Treatment Facility (WWTF) is currently operated by Woodard and Curran, Inc. The WWTF is continuing to produce a high quality effluent utilizing its innovative membrane technology. Some of the responsibilities the Cohasset Sewer Commission has is to respond to concerns and complaints, review the operation of the treatment plant and collection systems, and tracking budgetary issues and future planning.Responsibilities
The Sewer Commission is responsible for, but not limited to, the following:- Inspection of all pipeline installation related to new construction
- Reviewing applications for sewage connections
- Testing and treating a maximum daily flow of 450,000 gallons of wastewater
- Diagnosis of residential sewer issues as they arise, along with the rectification of all such problems related to connection to the system
- Schedule and carry out routine scheduled inspections, clean outs, and testing of the 60 miles of pipeline and 10 pumping stations throughout Cohasset
- Maintenance, upkeep, and repair of all Sewer Department equipment, including the entire Treatment Plant facility
Applications
Intermunicipal Agreements
Policies
Second Amended Final Judgement
Town-Owned Grinder Pumps
Waste Water Treatment Plant
- Benthic Survey of Cohasset Harbor (PDF)
- Circulation and Flushing Modeling Study for Cohasset Cove and Cohasset Harbor (PDF)
- Dissolved Oxygen Evaluation of Cohasset Cove and Cohasset Harbor (PDF)
- Dye Studies of the Effluent from Cohasset Wastewater Treatment Facility in the Receiving Waters of C
- Eelgrass Survey Report (PDF)
- Little Harbor Sewer Betterment Calculations (PDF)
- Massachusetts Bay Program Shellfish Bed Restoration Program (PDF)
- Sewer District Map (PDF)
- Sewer Commission Rules and Regulations (PDF)
- Vegetation Study (PDF)
Sewer White Paper - 2020
- White Paper Table of Contents
- Appendix V - Preventative Maintenance Schedule from Woodard and Curran
- Cohasset Sewer Commission White Paper
- Appendix I CSC - CDT Sewer Connection Agreement -2 6-18-20 (00020536-1)
- Appendix I supplement CES Draft Response to Delisi 6.17.20
- Appendix II CSC - draft memo to Select Board re grinder pump 7-20-20 (00021840-1)
- Appendix II Town owned grinder pump letter
- Appendix VI 4- Cohasset Capital Planning 10_19_2020_RS
- Appendix VII 3-5-2015_INTERMIN REPORT TECHNICAL ASSESSMENT FY15-01 NORTH COHASSET FLOW DIVERSION
- Appendix VIII Regional CWMP Phase 1 Report - Final
- Appendix VIIII Sewer History Presentation (9-14-20) (002)
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Sewer Commission Office
Physical Address
Town Hall
41 Highland Avenue
Cohasset, MA 02025
Phone: 781-383-4100Fax: 781-383-1561
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Carol Rowe
Administrative AssistantPhone: 781-383-4100 ext. 5121
For sewer emergencies:
Phone:
781-383-1519
or
781-857-0436
Grinder Pump Service:
For service on your grinder pump contact F. R. Mahoney & Associates Inc. at: 508-765-0051
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