As of Friday, September 19, 2025, the following water quality updates have been issued:
- A Pet Advisory is issued for Hamblin Pond, Marstons Mills, due to increased levels of cyanobacteria in water quality samples.
- A Pet Advisory is issued for Aunt Betty’s Pond, Hyannis, due to increased levels of cyanobacteria in water quality samples.
Current postings as of Friday, September 19, 2025:
Current Public Health Advisories
Lovells Pond, Cotuit
Parker Pond, Osterville
Current Pet Advisories
Schoolhouse Pond, Hyannis
Hinckley Pond, Barnstable
Hamblin Pond, Marstons Mills
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