08/12/2019 BOARD OF SELECTMEN Agenda Packet

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cc Estuary short-term (ongoing) intensive"grater quality and shellfish quality monitoring to check near- term earterra performance following MEP established protocols for estuary water quality and health. 00 EP flushing and stream gauge monitoring necessary to update MEP T l L compliance points. 00 Grou nid a er/drinking water supply quality. CO Groundwater mounding analysis through localized remodeling. Lo,ng Terms 'lonitorin and Mo,delin CO Each of the existing and proposed treatment facilities that have MassDEP groundwater discharge permits have various monitoring requirements (including but not limited to). Daily monitoring of flow, pH, disinfection, and turbidity. — Weekly/monthly monitoring of flog, biochemical oxygen demand (BOD),, total suspended solids (TSS), total nitrogen (TN),, and possibly total Phosphorus (TP). Groundwater monitoring well data (typically quarterly); upgradient, and dawn gradient of recharge facilities. MEP estuary monitoring and modeling (land and hydrodynamic). TMD,L Compliance. Long-term of standard MEP grater quality.parameters. Eel grass surveys typically provided by MassDEP. - Benthic habitat surveys if required).. . Shellfish/Estubry Monitoring: Long-term compliance monitoring performed following the same MEP protocols to measure estuary health. - Shellfish monitoring in compliance with Division of Marine Fisheries DMF' requirements depending on end use of shellfish. Sample analysis including shellfish physical characteristics (length, weight, etc.) and nitrogen content CO Groundwater quality monitoring through existing drinking water supply wells as required by MassDEP and Environmental Protection Agency), and groundwater monitoring wells as required by groundwater discharge permits issued byMassDEP'for wastewater treatment facilities). more extensive list is provided in Chapter 10. ES.6.2 Compliance Reporting As part of the Implementation of the plan, each implementation phase will be incorporated into a compliance document related to, l ashpee's efforts in achieving the TML '! s. Depending on the requirements established by the regulators, this document may need to reference or be referenced by the neighboring communities as part of their compliance reporting. This document, which will need to be negotiated with the Town, District, and associated regulators, would therm be available to MassDEP, DMF, Coastal Zone Management I 'l l , MEP, CCC, neighboring communities, and other agencies as so identified in that effort. 81612001.4 Town of Mashpee Sewer Commission ES-1 I Final Recommended Plan 1 Final Envitonrriental Impact Report