Old Deerfield Wastewater Treatment Plant
Deerfield, MA · Franklin County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- MAG580001
- Effective
- Permit expires
- November 2026
- Population served
- 3,779
- CWNS 2022
Old Deerfield Wastewater Treatment Plant is a publicly owned wastewater treatment works in Deerfield, Franklin County, Massachusetts treating an average of 0.07 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 3,779 residents. It discharges under NPDES permit MAG580001 (effective), which expires in November 2026, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Old Deerfield Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Old Deerfield Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Greenfield · 2 mi away
1.44 MGD
Montague · 3 mi away
0.54 MGD
Erving · 6 mi away
0.06 MGD
Shelburne · 7 mi away
0.11 MGD
Sunderland · 7 mi away
0.13 MGD
Hatfield · 11 mi away
0.14 MGD
Erving · 11 mi away
0.0027 MGD
Erving · 12 mi away
1.72 MGD
Old Deerfield Wastewater Treatment Plant: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated September 23, 2025.