Greenfield Water Pollution Control Facility
384R Deerfield St, Greenfield, MA 01301 · Franklin County · Publicly Owned Treatment Works
- Average flow
- 2.2 MGD
- Design flow
- —
- NPDES permit
- MAG590014
- Effective
- Permit expires
- October 2027
- Population served
- 13,193
- CWNS 2022
Greenfield Water Pollution Control Facility is a publicly owned wastewater treatment works in Greenfield, Franklin County, Massachusetts treating an average of 2.2 million gallons per day, serving about 13,193 residents. It discharges under NPDES permit MAG590014 (effective), which expires in October 2027, with 32 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in September 2019.
Treatment technology
7 treatment structures and unit processes identified, 1 planned upgrade on record at Greenfield Water Pollution Control Facility.
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See the full treatment train at Greenfield Water Pollution Control Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 32
- Effluent violations
- 32
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Greenfield Water Pollution Control Facility in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Compliance actions
- $10,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Sep 2019
GREENFIELD WPCF
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $10,000
EPA's description of the case:
“On September 30, 2019, the Region issued a Clean Water Act Administrative Compliance Order to the City of Greenfield, Massachusetts for its noncompliance with the stormwater requirements of the Clean…”
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Source: EPA ECHO, civil enforcement case 01-2019-2056.
Full case history with a free Klarifi account
Every action against Greenfield Water Pollution Control Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for Greenfield Water Pollution Control Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Greenfield Water Pollution Control Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Massachusetts
Montague · 1 mi away
0.53 MGD
Deerfield · 2 mi away
0.08 MGD
Erving · 5 mi away
0.07 MGD
Shelburne · 7 mi away
0.15 MGD
Sunderland · 8 mi away
0.16 MGD
Erving · 10 mi away
0.0033 MGD
Erving · 11 mi away
1.77 MGD
Hatfield · 12 mi away
0.15 MGD
Greenfield Water Pollution Control Facility: 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 October 26, 2026; facility record last updated November 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms