July 21, 2026 | Pet Advisories Issued for Hamblin Pond, Long Pond, and Shubael Pond (Marstons Mills); Lovells Pond (Cotuit)

Jul 21, 2026 | Beach Water Quality Updates, Cyanobacteria, News & Updates, Water Quality

Water quality update announcement with blue wave background and date July 21, 2026.

As of Tuesday, July 21, 2026, 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 Long Pond, Marstons Mills, due to increased levels of cyanobacteria in water quality samples
  • A Pet Advisory is issued for Lovells Pond, Cotuit, due to increased levels of cyanobacteria in water quality samples
  • A Pet Advisory is issued for Shubael Pond, Marstons Mills, due to increased levels of cyanobacteria in water quality samples

Current postings as of Tuesday, July 21, 2026:

Cyanobacteria Pet AdvisoryCurrent Pet Advisories:

Hamblin Pond, Marstons Mills
Long Pond, Marstons Mills
Lovells Pond, Cotuit
Shubael Pond, Marstons Mills
Hinckley Pond, Barnstable

 

 

 

 

 

 

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