As of Tuesday, July 15, 2025, at 4:12 PM, the following water quality updates have been issued:
- Pet Advisory signage will be removed at Mystic Lake, Marstons Mills, as a result of acceptable water samples.
- Pet Advisory signage will be removed at Crystal Lake, Osterville, as a result of acceptable water samples.
- Pet Advisory signage will be removed at Shubael Pond, Marstons, Mills, as a result of acceptable water samples.
Remaining/Current postings as of Tuesday, July 15, 2025:
Remaining Public Health Advisories
Long Pond, Marstons Mills
Schoolhouse Pond, Hyannis
Remaining Pet Advisories
Parker Pond, Osterville
Neck Pond, Osterville
Hamblin Pond, Marstons Mills
Long Pond, Centerville
Hinckley Pond, Barnstable
Lovells Pond, Cotuit
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