Massachusetts State Seal An official website of the Commonwealth of Massachusetts Here's how you know

Official websites use .mass.gov

A .mass.gov website belongs to an official government organization in Massachusetts.

Secure websites use HTTPS

A lock icon or https:// means you've safely connected to the official website. Share sensitive information only on official, secure websites.

Public Water Supply Annual Statistical Reporting via eDEP

Instructions for Public Water Suppliers who need to submit their Annual Statistical Report to the MassDEP Drinking Water Program
The deadline for submitting the ASR is Friday April 10, 2026

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback