As of Wednesday, July 1, 2026, the following water quality updates have been issued:

  • Pet Advisory is issued for Long Pond, Marstons Mills, due to increased levels of cyanobacteria in water quality samples.
  • Pet Advisory is removed for Wequaquet Lake, Centerville, due to acceptable levels of cyanobacteria in water quality samples.

Current postings as of Wednesday, July 1, 2026:

Cyanobacteria Pet AdvisoryCurrent Pet Advisories:

Long Pond, Marstons Mills
Hinckley Pond, Barnstable
Shubael Pond, Marstons Mills

 

 

 

 

 

 

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