As of Tuesday, June 9, the following water quality updates have been issued:
- A Pet Advisory will be removed for Hamblin Pond, Marstons Mills, due to acceptable water quality samples.
- A Pet Advisory will be removed for Hinckley Pond, Barnstable, due to acceptable water quality samples.
- A Pet Advisory will be removed for Mystic Lake, Marstons Mills, due to acceptable water quality samples.
As of Tuesday, June 9, 2026, all Barnstable monitored ponds were found to be acceptable. There are no current water quality advisories.
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) 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