The following water quality updates have been issued for Tuesday, September 26, 2023:

  • Pet Advisories have ben removed for Long Pond, Marstons Mills and Lovells Pond
  • A Public Health Advisory remains in effect for Parker Pond, Osterville

Current postings as of Tuesday, September 26, 2023:

Public Health AdvisoryPublic Health Advisory

Parker Pond, Osterville








If you are interested in receiving more information about Cyanobacteria and locations monitored, you may view the 2023 Cyanobacteria Monitoring Map at

If you are interested in receiving email notifications when there is a potential toxic bloom identified by Association to Preserve Cape Cod (APCC), you may opt-in by clicking this link: where you will be asked to enter your email address in order to receive cyanobacteria alerts.

Thomas A. McKean, RS, CHO
Director of Public Health