Closed in 2020 and 2019, warned in 2018, for excess cyanobacteria
A danger to people pets and wildlife Swimming was banned Dog owners told: don't let your dogs swim ________________________________________________ Studies of Barnstable Ponds: Barnstable Ponds: Current Status, Available Data, and Recommendations for Future Activities FINAL REPORT July 2008 |
Long Pond is a 55 acre kettle pond, and is owned by the State of Massachusetts.
It is approximately 3500 feet long and 700 feet wide. Its depth extends up to 18-20 feet in two areas (holes) in the middle area. The pond's watershed (area from which above and below ground water drains into the pond) is approximately 430 acres and extends to the northwest of the pond. Long Pond's problem of excess nutrients leading to cyanobacteria overgrowth has been growing over many years. Details may be found in the 2008 Barnstable Ponds study link on the left. Long Pond was closed for 2 weeks during the summer of 2018 due to dangerously high levels of cyanobacteria. During the summer of 2019, the pond was closed for 5 weeks and had a Pet Advisory for an additional 3 weeks. In 2020, the pond was closed for 6 weeks and had a Pet Advisory for an additional 4. |
Town of Barnstable Pond Improvement Plan for Long Pond:
Fall 2020 (Fiscal year 2021) - Stormwater improvements in 5 locations
Spring/Summer 2021 (FY 2022) - Comprehensive Pond Study by SMAST
Fall 2021 (FY 2023) - Management Plan Capital Improvement Budget Request
July 2022 (FY 2023) - Money allocated for Pond Managment Implementation
Spring 2023 (FY 2023) - Long Pond Management Plan Implemented
Source: Barnstable Department of Public Works, 9/11/2020
Fall 2020 (Fiscal year 2021) - Stormwater improvements in 5 locations
Spring/Summer 2021 (FY 2022) - Comprehensive Pond Study by SMAST
Fall 2021 (FY 2023) - Management Plan Capital Improvement Budget Request
July 2022 (FY 2023) - Money allocated for Pond Managment Implementation
Spring 2023 (FY 2023) - Long Pond Management Plan Implemented
Source: Barnstable Department of Public Works, 9/11/2020
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The autumn pond (above) up close looking northward from south shore.
Below, July pond, closed, showing shoreline algae scum. |
Long Pond Development:
Two graphs below show the status of the pond phosphorous and chlorophyll from 2008. Note the horizontal orange line indicating how Long Pond Marstons Mills exceeded the threshold for healthy ponds:
