The 2025 Chilmark Pond Ecosystem Monitoring Report (EMR) is now available! The yearly EMR’s provide an assessment of CHP based on the ongoing monitoring and analysis of water quality conditions over time. In the 2025 CHP EMR learn about: · Chilmark Pond cyanobacteria concentration trends throughout the years · The 2025 results of the LG Sonic Buoy – Did it work? · Plans for 2026 and MORE Sneak Peak: “In response to recurring cyanobacteria blooms and po

Chilmark Pond Foundation Community Briefing Highlights On Thursday, April 16 th Chilmark Pond Foundation held a community briefing and presentation that discussed the 2025 LG-Sonic Buoy results, dredging updates and a preview of our 2025 Chilmark Pond Ecosystem Monitoring report. One of the most popular topics on people’s minds is the 2025 Buoy results… here are some highlights! The LG Sonic Buoy was launched on July 23 rd 2025. This buoy is a tool meant to reduce the growt

Chilmark Pond 2026 Spring Cut Chilmark Pond (CHP) was successfully opened to the Atlantic Ocean on Thursday, March 10th, 2026 , and presumably closed on April 12 th , 2026, resulting in 32 days of tidal flushing ! This cut marked an important milestone following the completion of dredging efforts this winter. Using an excavator, the barrier beach is breached by the Chilmark Pond Association, creating a temporary channel that connects the Pond to the ocean. Once the opening is