8. Sewer Archive & References
Below you will find a number of documents that were integral to the planning of Mashpee's sewer system as well as other important reference documents. Note: several documents represent the evolution of watershed nitrogen management planning for Mashpee.
In addition to the documents listed below, water quality reports from the Town's Dept. of Natural Resources can be found here.
| DOCUMENT | DATE | PREPARED BY | BRIEF DESCRIPTION |
| Watershed Nitrogen Management Plan - Technology Screening Report | 11/2007 | Stearns & Wheler | The Technology Screening Report is the second phase of the Watershed Nitrogen Management Plan (WNMP), which is being prepared to provide a comprehensive strategy for nitrogen removal in the Town of Mashpee, Popponesset Bay, and Waquoit Bay East Watersheds over the next 20 years, includes percentage of nitrogen and phosphorus in ponds. |
| Nitrex Technology Scenario Plan | 04/2010 | Lombardo Associates Inc. | This study analyzed the potential for Permeable Reactive Barrier (PRB)TM to remove nitrate from ground water resources and achieve improved water quality in Mashpee watersheds. Implementation scenario was compared with alternatives considered (including Innovative Alternative septic system management and sewering) for reducing nitrate pollution of water resources. |
| Scenarios Results for Popponesset Bay and Waquoit Bay based on MEP Linked Models | 11/2012 | UMass Dartmouth School of Marine Science & Technology Coastal Systems Group | These MEP reports indicate that both estuary systems are showing impaired habitat quality resulting from nitrogen enrichment. |
| The Simulated Effects of Wastewater-Managment Actions on the Hydrologic System and Nitrogen-Loading Rates to Wells and Ecological Receptors, Popponesset Bay | 2013 | US Geological Survey (USGS) & US Dept. of Interior | Multiple simulation studies on the nitrogen loading rates of Popponesset Bay's hydrologic system. |
| Final Alternatives Screening Analysis Report | 08/2013 | GHD Engineering Firm | This study was a continuation of the 2008 Massachusetts Estuary Project (MEP) which was used to develop the Town's Draft Recommended Plan/Draft Environmental Impact Report for TMDL compliance within the Project Planning Area (PPA) watersheds of Popponesset Bay and Waquoit Bay East. |
| Final Recommended Plan/Environmental Impact Report | 05/2015 | GHD Engineering Firm | Complete Mashpee wastewater management plan, approved by Town and State of Massachusetts, with nutrient use regulations, construction of WRRF and installation of sewer service mains, stormwater management improvements, and increased production/harvesting of shellfish to help enhance water quality. |
| Cape Cod Commission Revised 208 Plan for Area Wide Water Quality Management | 06/2015 | Cape Cod Commission | This report documents an update to the 1978 Section 208 Plan for Cape Cod to address the degradation of Cape Cod’s water resources from excessive nutrients, primarily nitrogen. |
| Cape Cod Commission Phase 1 Approval Letter | 10/2015 | Cape Cod Commission | Letter from Cape Cod Commission to Mashpee Town Manager approving Phase 1 nitrogen management plan in the Popponesset Bay watershed. |
| Mashpee Water Pollution Problem Summary | 2016 | Sewer Commission Members | Water Pollution Problem, Causes, Who's Responsible, What we Can Do & What's at Stake. |
| Town of Mashpee Existing WWTF Evaluation Final Report | 09/2017 | GHD Engineering Firm | Evaluation of two existing private wastewater treatment plans in Mashpee (capacity and effectiveness to control nitrogen) to inform proposed sewer project. |
| Shared Wastewater Management StudyTowns of Bourne, Falmouth, Mashpee, Sandwich, and Joint Base Cape Cod | 08/2019 | Wright-Pierce | The study prepared an engineering assessment for a potential partnership for shared wastewater management options among the towns, utilizing and expanding the Joint Base Cape Cod (JBCC) collection, treatment, transport, and effluent disposal systems for regional use. |
| Draft Preliminary Design of Mashpee Water Resource Recovery Facility (WRRF) | 12/2019 | Weston & Sampson | 30% design stage - Value Engineering Report for the Water Resource Recovery Facility (WRRF). |
| Watershed Nitrogen Management Plan | 2021 | Sewer Commission | The first effort to implement Phase 1 of 2015 Comprehensive Watershed Nitrogen Management Plan (CWNMP). |
| Press Release: Mashpee Awarded $12.8 million for Clean Water Plan | 04/2021 | Cape Cod Times | Mass. Dept. of Environmental Protection (MEP) awards Mashpee $12.8 million for Clean Water Plan through State Revolving Fund (SRF). |
| Mashpee Water Quality Report | 07/2021 | Cape Cod Times Article | A Cape Cod Times report of Brian Howes water quality report of water being at an all time low. |
| Draft Nutrient Management Plan | 12/2021 | Sewer Commission Members | Proposed plan to control nutrient pollution |
| Betterment Policy Presentation | 10/2022 | Town Engineer | Betterment policy presentation to Sewer Commission Members for consideration |
| Stormwater Pollution Prevention Plan | 11/2022 | Robert B. Our Co. | Contractor plan to prevent pollution from trash, stormwater runoff, and hazardous materials |
| Sewer Project Overview | 05/2023 | Sewer Commission Subcommittee | Sewer Project Overview |
| Construction Update | 06/2023 | GHD Engineering Firm | Sewer Commission Presentation |
| Sewer Commission Presentation - Pollution Estuaries Ponds | 08/2023 | Sewer Commission Member | Historical context for water quality regulation (national, state, local) |
| Construction Update | 01/2024 | GHD Engineering | GHD construction update to Select Board |
| Construction Update | 02/2024 | GHD Engineering | GHD construction update to Sewer Commission |
| Construction Update | 03/2024 | GHD Engineering | GHD construction update to Sewer Commission |