Greenfield Wastewater Treatment Plant Improvements
809 S State St, Greenfield, IN 46140 · Hancock County · Publicly Owned Treatment Works
- Average flow
- 3.43 MGD
- Design flow
- 8 MGD
- NPDES permit
- IN0020109
- Effective
- Permit expires
- November 2029
- Population served
- 19,237
- CWNS 2022
Greenfield Wastewater Treatment Plant Improvements is a publicly owned wastewater treatment works in Greenfield, Hancock County, Indiana treating an average of 3.43 million gallons per day against a permitted design capacity of 8 MGD, serving about 19,237 residents. It discharges under NPDES permit IN0020109 (effective), which expires in November 2029, with 55 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Greenfield Wastewater Treatment Plant Improvements.
Available with a free Klarifi account
See the full treatment train at Greenfield Wastewater Treatment Plant Improvements: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 55
- Effluent violations
- 48
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
10 verified contacts for Greenfield Wastewater Treatment Plant Improvements, with validated emails and direct phone numbers.
Unlock 10 verified contacts (7 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Greenfield Wastewater Treatment Plant Improvements, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
New Palestine · 7 mi away
0.13 MGD
Morristown · 8 mi away
0.44 MGD
New Palestine · 8 mi away
0.35 MGD
Carthage · 10 mi away
0.11 MGD
Cumberland · 10 mi away
1.24 MGD
Shirley · 11 mi away
0.2 MGD
Fortville · 12 mi away
0.53 MGD
Mccordsville · 12 mi away
0.77 MGD
Greenfield Wastewater Treatment Plant Improvements: 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 August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms