July 1, 2025 | Cyanobacteria Updates – Public Health Advisory Issued at Long Pond, Marstons Mills, and Pet Advisory at Crystal Lake, Osterville and Long Pond, Centerville

Jul 1, 2025 | Beach Water Quality Updates, Cyanobacteria

As of Tuesday, July 1, 2025, at 2:00 PM, the following water quality alerts have been issued:

  • A Public Health Advisory is posted for Long Pond, Marstons Mills due to a significant increase in cyanobacteria levels in samples.
  • A Pet Advisory is posted for Crystal Lake, Osterville due to increased levels of cyanobacteria in samples.
  • A Pet Advisory is posted for Long Pond, Centerville due to increased levels of cyanobacteria in samples.

Current postings as of Tuesday, July 1, 2025:

Public Health Advisory

Long Pond, Marstons Mills
Schoolhouse Pond, Hyannis

 

 

 

 

 

 

 

Cyanobacteria Pet AdvisoryPet Advisory

Crystal Lake, Osterville
Long Pond, Centerville
Hinckley Pond, Barnstable
Mystic Lake, Marstons Mills
Shubael Pond, Marstons Mills
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/

David W. Stanton, RS
Chief Health Inspector of Public Health
TOWN OF BARNSTABLE