As of Tuesday, September 30, 2025, the following water quality updates have been issued:
- A Pet Advisory posted for Crystal Lake, Osterville will be removed due to acceptable water quality samples.
- A Pet Advisory posted for Hinckley Pond, Barnstable will be removed due to acceptable water quality samples.
Current postings as of Tuesday, September 30, 2025:
Current Public Health Advisories
Parker Pond, Osterville
Current Pet Advisories
Round Pond, Marstons Mills
Schoolhouse Pond, Hyannis
Aunt Betty’s Pond, Hyannis
If you are interested in receiving more information about Cyanobacteria and locations monitored across Cape Cod, please view the Association to Preserve Cape Cod (APCC) 2025 Cyanobacteria Monitoring Map at https://apcc.org/our-work/science/community-science/cyanobacteria/
Thomas A. McKean, RS, CHO
Director of Public Health
TOWN OF BARNSTABLE