Sullivan WWTP
Sullivan, IN · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.83 MGD
- Design flow
- 2.1 MGD
- NPDES permit
- IN0024554
- Effective
- Permit expires
- March 2031
- Population served
- 4,264
- CWNS 2022
Sullivan WWTP is a publicly owned wastewater treatment works in Sullivan, Sullivan County, Indiana treating an average of 0.83 million gallons per day against a permitted design capacity of 2.1 MGD, serving about 4,264 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit IN0024554 (effective), which expires in March 2031, with 33 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
- 33
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Sullivan WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Sullivan WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Shelburn · 6 mi away
0.09 MGD
Dugger · 6 mi away
0.05 MGD
Hymera · 10 mi away
0.04 MGD
Farmersburg · 12 mi away
0.06 MGD
Jasonville · 13 mi away
0.16 MGD
Linton · 14 mi away
0.37 MGD
Freelandville · 16 mi away
0.02 MGD
Lyons · 19 mi away
0.04 MGD
Sullivan 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 March 9, 2025.