Greenfield Wastewater Treatment Plant
Bluff Street, Greenfield, IL 62044 · Greene County · Publicly Owned Treatment Works
- Average flow
- 0.00031 MGD
- Design flow
- 0.52 MGD
- NPDES permit
- IL0029076
- Effective
- Permit expires
- June 2029
- Population served
- 1,092
- CWNS 2022
Greenfield Wastewater Treatment Plant is a publicly owned wastewater treatment works in Greenfield, Greene County, Illinois treating an average of 0.00031 million gallons per day against a permitted design capacity of 0.52 MGD, serving about 1,092 residents. It discharges under NPDES permit IL0029076 (effective), which expires in June 2029, with 18 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Greenfield Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Greenfield Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Greenfield Wastewater Treatment Plant.
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Nearby wastewater treatment plants in Illinois
Chesterfield · 9 mi away
0.00074 MGD
Hettick · 9 mi away
0.0056 MGD
Carrollton · 12 mi away
0.46 MGD
Medora · 12 mi away
0.0091 MGD
White Hall · 12 mi away
0.28 MGD
Palmyra · 12 mi away
0.2 MGD
Roodhouse · 14 mi away
1.32 MGD
Murrayville · 17 mi away
0.05 MGD
Greenfield 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 October 26, 2026; facility record last updated November 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms