10/23/2025 CONSERVATION COMMISSION Minutes

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Town of Mashpee Conservation Commission 16 Great Neck Road North Mashpee, MA 02649 Zone II area, consistent with groundwater protection goals. The applicant maintained that this fell under BOH jurisdiction, but the Commission agreed it also had a wetlands and groundwater nexus warranting review. System Design Review Engineers detailed the raised leach field design, with wall elevations of 10.6 feet and surrounding grades between 5.8 and 6.8 feet, creating a roughly five-foot wall height that exceeds groundwater separation requirements. Commissioners compared it to the alternate system in the second NOI and agreed the first offered slightly greater groundwater protection. Commission Discussion and Decision Some commissioners suggested delaying a vote until nitrogen offset documentation was submitted, citing the need for consistency and due diligence. Others favored conditional approval, requiring BOH verification before construction. Ultimately, the Commission approved the project with conditions, requiring submission o£ • All BOH approvals, variances, and nitrogen aggregate documents, • The location and recording information for the nitrogen offset land. Any future design changes must return to the Commission for an amended Order of Conditions. Outcome Attorney Brodsky later confirmed that the nitrogen credit land is located at Zero Leather Leaf Lane, with the nitrogen restriction and easement recorded on January 27, 2020, in the Barnstable Land Court. With these conditions and assurances on record, the Commission closed the hearing and approved the proposed I/A septic system for 5 Deans Hollow Road. MOTION: To close an issue at 5 Dean's Hollow Road with the following conditions: 1. Provide all Board of Health Approvals, variances and nitrogen aggregate documentation, including the location of the offset land, as part of the official record 2. Any future changes to the septic system design would require a return to the Commission for an amended Order of Conditions. Motion by: Richard Sahl Seconded by: Sandi Godfrey Vote: Motion passed by unanimous vote. (Steven Cook, Sarah Thornbrugh, Paul Colombo, Sandi Godfrey, Seana Pitt, Richard Sahl) NOI 5 Deans Hollow Road,John & Beth Ann Lewis & Drolet. Proposed raze of existing dwelling, construct and maintain new single-family dwelling with innovative alternative (FA) Septic system, hardscape, landscape, and mitigation plantings. (Representative: Cape & Islands Engineering, Inc.) (8.7 /9.4) (legacy Reg 25) 43- 3356 During the public hearing for the proposed redevelopment at 5 Deans Hollow Road, the applicants presented plans to demolish the existing 1950s dwelling and construct a new elevated four-bedroom single-family home 9