Agendas & Meetings

View agendas for upcoming meetings and minutes for past meetings.


Find the answers to some of our most frequently asked questions.

Rates / Fees

View the current rates and fees for COMM Water services.


PFAS in drinking water is an important emerging issue nationwide.

Welcome To COMM Water Department

The Centerville-Osterville Water District was established in 1938. It became the Centerville-Osterville-Marstons Mills Water District in 1986.

The Water District provides water service to the residents of the COMM Fire District.  The Water District has been recognized for having some of the best water in the state.  The Water Department has three storage tanks with over 5.5 million gallons stored. It has 247.5 miles of underground pipe and over 1,940 fire hydrants.  There are 19 pumping stations.

News & Updates

Job Opportunity – Water Tech Operator

Online Bill Payments

Drop box located outside of our building or mail payments to:

COMM Water Department
PO Box 369
Osterville, MA 02655

Non-emergency questions

Submit requests under FORMS > (online forms) for mark outs, final water readings, seasonal turn on and offs, record change, requests for information and service applications

Reminder:  Town’s Emergency Notification System

What is CodeRED and why is it important to me?  CodeRED is an emergency notification service by which town officials can notify Barnstable residents and businesses by telephone, cellular phone, text message, or electronic mail about time‐sensitive emergency situations or important community alerts.

Frequently asked questions can be reviewed  Be sure to take a moment to learn more about this important notification system.

Sign up at this link for The Barnstable Police Department’s emergency notification system:

Flushing has been completed as of 5/20/2024