North Vernon WWTP
North Vernon, IN · Jennings County · Publicly Owned Treatment Works
- Average flow
- 1.05 MGD
- Design flow
- 2.2 MGD
- NPDES permit
- IN0020451
- Effective
- Permit expires
- January 2030
- Population served
- 8,180
- CWNS 2022
North Vernon WWTP is a publicly owned wastewater treatment works in North Vernon, Jennings County, Indiana treating an average of 1.05 million gallons per day against a permitted design capacity of 2.2 MGD, serving about 8,180 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit IN0020451 (effective), which expires in January 2030, with 74 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 74
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for North Vernon WWTP, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at North Vernon WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
North Vernon · 5 mi away
0.1 MGD
Dupont · 9 mi away
0.02 MGD
Westport · 11 mi away
0.1 MGD
Holton · 12 mi away
0.02 MGD
Elizabethtown · 14 mi away
0.0049 MGD
Seymour · 17 mi away
3.02 MGD
Versailles · 18 mi away
0.22 MGD
Hartsville · 19 mi away
0.009 MGD
North Vernon WWTP: 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 May 18, 2025.