Barnstable County commissionors hear draft freshwater strategy emphasizing monitoring, buffers and regional funding

The Barnstable County Board of Regional Commissioners on March 12 heard a presentation of a draft 2025 Freshwater Strategy from Cape Cod Commission staff that lays out monitoring, regulatory and funding recommendations to address declining pond water quality across the region.

The draft plan, released Feb. 14 and open for public comment through Monday, March 17, recommends continuing and expanding a regional pond monitoring program, creating a regional funding source to support pond projects, developing model wetland buffer bylaws and orders of condition, and boosting communications and technical assistance to towns and neighborhood pond groups.

Commission staff said the Commission compiled existing data into a searchable freshwater data portal and launched a geographically distributed monitoring program intended to capture a representative sample of pond types, sizes and shore development. Heather McElroy, identified in the presentation as the Commission’s natural resources manager, said the Commission conducted stakeholder outreach, convened pond-network meetings and produced guidance materials including a pond buffer guidance document and a model prioritization framework.

The draft notes that ponds are ecologically and economically important on Cape Cod, and staff reported there are about 166 ponds larger than 10 acres in the region. The plan lists interconnected threats including excess nutrients (nitrogen and phosphorus), stormwater and wastewater inputs, sedimentation, invasive species and the amplifying effects of climate change. Staff said an Eastern Research Group economic analysis shows ponds contribute to property values, tourism and regional economic activity.

Commissioners and attendees asked about testing for PFAS/PFOS, lab capacity and how towns would access funding. McElroy said PFAS testing was not a focus of the draft but could be added as the monitoring program expands; staff also noted gaps in depth and volume data for many ponds and recommended filling those gaps for better watershed analysis.

The draft recommends: continuing the regional pond monitoring program (funding is currently supported in part by the Cape and Islands Water Protection Fund Management Board), exploring a regional coordinator to assist towns with grant applications, developing a regional funding source to fund pond projects, producing model bylaws and permitting templates to protect buffers, expanding lab capacity and bolstering a communications toolkit aimed at homeowners, visitors and municipal staff.

Commissioners emphasized implementation capacity at the town level and discussed options including a county-supported “model ponds” program with matching requirements by towns. Commissioners and staff said the Commission will refine the draft using public comments and stakeholder input and will track metrics such as changes in phosphorus, nitrogen, chlorophyll a and dissolved oxygen over time to gauge progress.

The presenters asked for additional written feedback during the public comment period and for follow-up conversations with towns, conservation commissions, lab partners and funding stakeholders.