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Massachusetts monthly operating report
MassDEP — Drinking Water Program
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Chemical Addition Report (C-ADD) — smart form
C-ADDRev. Smart form v1.0.198 (September 2025)Monthly
- Deadline
- Due 10 days after the reporting period ends.
- You get
- A companion worksheet of your readings to copy onto the agency’s form. The agency’s own file is not filled.
Source 310 CMR 22.15(4) · mass.gov ↗
Chlorine / Chloramines Monthly Report
MA-CHLORINE-CHLORAMINES-MONTHLYNo revision markMonthly
- Deadline
- Due 10 days after the reporting period ends.
- You get
- A companion worksheet of your readings to copy onto the agency’s form. The agency’s own file is not filled.
Source Printed on the form · mass.gov ↗
SWTR-G — Compliance Determination for Filtered Systems, Monthly Report
SWTR-GNo revision markMonthly
- Deadline
- Due 10 days after the reporting period ends.
- You get
- A companion worksheet of your readings to copy onto the agency’s form. The agency’s own file is not filled.
Source 310 CMR 22.20A · mass.gov ↗
SWTR-E — Compliance Determination for Unfiltered Systems, Monthly Report
SWTR-ENo revision markMonthly
- Deadline
- Due 10 days after the reporting period ends.
- You get
- A companion worksheet of your readings to copy onto the agency’s form. The agency’s own file is not filled.
Source 310 CMR 22.20A · mass.gov ↗
›Sources
C-ADD
- The state’s fileretrieved 2026-08-12
- C-ADD Guidance and Instructions
- C-ADD smart form instructions
- Deadline: 310 CMR 22.15(4)
MA-CHLORINE-CHLORAMINES-MONTHLY
- The state’s fileretrieved 2026-08-12
- Deadline: Printed on the form
SWTR-G
- The state’s fileretrieved 2026-08-12
- Deadline: 310 CMR 22.20A
SWTR-E
- The state’s fileretrieved 2026-08-12
- Deadline: 310 CMR 22.20A
MassDEP — Drinking Water Program