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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
How to Use eDEP Online Filing  Login to eDEP Online Filing 

Contacts

MassDEP Drinking Water Program

Online

MassDEP Drinking Water Program Email MassDEP Drinking Water Program at program.director-dwp@mass.gov

The Details

How to report

Annual Statistical Reports should be completed on line using eDEP - .  Login to eDEP.

More info

See forms and instructions below.

Downloads

Open PDF file, 122.42 KB,  Instructions to Obtain an eDEP Account (English, PDF 122.42 KB)
Open PDF file, 216.08 KB,  Instructions to Obtain an eDEP PWS Proof (English, PDF 216.08 KB)
Open PDF file, 247.85 KB,  Instructions to Update an eDEP PWS Proof (English, PDF 247.85 KB)
Open PDF file, 189.33 KB,  eASR Quick Start Instructions (English, PDF 189.33 KB)
Open PDF file, 2.09 MB,  Instructions for Electronic Annual Statistical Reporting (eASR) (English, PDF 2.09 MB)
Open PDF file, 340.6 KB,  Annual Statistical Report - Tech Tips for PWSs and Operators (English, PDF 340.6 KB)
Open XLSX file, 29.09 KB,  Annual Statistical Reporting Worksheet - Confidently Estimated Use (English, XLSX 29.09 KB)
Open XLS file, 68.5 KB,  Annual Statistical Reporting Worksheet - Estimating Population for RGPCD (MS Excel) (English, XLS 68.5 KB)

Contact

Online
MassDEP Drinking Water Program Email MassDEP Drinking Water Program at program.director-dwp@mass.gov

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