Southeastern Correctional Institution
Lancaster, OH · Fairfield County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- —
- NPDES permit
- OH0101630
- Administratively continued
- Permit expires
- June 2026
- Population served
- —
- CWNS 2022
Southeastern Correctional Institution is a publicly owned wastewater treatment plant in Lancaster, Fairfield County, Ohio treating an average of 0.13 million gallons per day. It discharges under NPDES permit OH0101630 (administratively continued), which expires in June 2026, with 5 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Southeastern Correctional Institution.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Ohio
Sugar Grove · 4 mi away
0.04 MGD
Lancaster · 5 mi away
4.7 MGD
Rockbridge · 6 mi away
0.01 MGD
Lancaster · 7 mi away
0.0067 MGD
Amanda · 7 mi away
—
Amanda · 7 mi away
0.001 MGD
Lancaster · 9 mi away
0.0051 MGD
Bremen · 11 mi away
0.08 MGD
Southeastern Correctional Institution: 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 July 18, 2023.