As of Tuesday, August 18 2026, the following water quality updates have been issued:
- A Pet Advisory will be posted at Long Pond, Marstons Mills due to increased levels of Cyanobacteria in samples.
- A Pet Advisory will be posted at Fawcetts Pond, Hyannis due to increased levels of Cyanobacteria in samples.
Current postings as of Tuesday, August 18, 2026:
Current Pet Advisories:
Lovells Pond, Cotuit
Long Pond, Marstons Mills
Fawcetts Pond, Hyannis
To see a map with all monitored ponds across Cape Cod, please visit the Association to Preserve Cape Cod (APCC) Cyanobacteria Monitoring Map at: https://apcc.org/our-work/science/community-science/cyanobacteria/
To receive alerts with the latest water quality updates, download the MyBarnstable App.
Thomas A. McKean, RS, CHO
Director of Public Health
TOWN OF BARNSTABLE