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.

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

For the comfort and safety of our customers

COMM Water has a Contactless Drop Box for (check) payments outside of our building.

Please use this feature if dropping off payments or mail to:

COMM Water Department

PO Box 369

Osterville, MA 02655

Thank you for your help as we continue to stay safe during this time.

Reminder the 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:


The Town’s Code Red link is:

Either one can be used to sign up for notifications.

Reminder you can submit your requests above under FORMS (online forms) for mark outs, final water readings, seasonal turn on and offs, record change, requests for information and service applications.

Submit online.

You may email any non-emergency questions to

Our Pre-Cautionary Measures for COVID-19

CDC – Water Transmission and COVID-19

MEMA – MA Emergency Management Agency

Mass Gov

Thank you flushing is complete for 2020.  We apologize again for any inconvenience this may have caused and appreciate your support in our attempt to supply clean safe water.

Continue to follow us for future updates for next March 2021.