August 4, 2021
Update:  Long Pond, Marstons Mills is closed to swimming due to high levels of Cyanobacteria


To protect yourself and pets:

  • Do not drink pond water.
  • Do not swim.
  • Keep pets and livestock away.
  • Avoid areas with scum while boating and do not eat fish.

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Call your doctor or veterinarian if you or your animals have a sudden or unexplained sickness or signs of poisoning.

Other Information/- Cyanobacteria Postings:

 Warning Level 

Lovell’s Pond, Marstons MIlls
Long Pond, Centerville
Shubaels Pond, Marstons Mills

Pet Advisory Level

Parker’s Pond

If you are interested in receiving more information about Cyanobacteria and locations monitored, you may view the CyanoMAP at to see recent cyanobacteria monitoring results from APCC.  If you are interested in receiving email notifications when there is a potential toxic bloom identified by APCC, you may opt-in to the APCC toxic alerts.  In order to receive email notification for toxic alerts, click this link:    This link will bring you to a webpage where you will be asked to enter your email address in order to receive toxic alerts. 

David W. Stanton, RS
Chief Health Inspector