Leetonia WWTP
Leetonia, OH · Columbiana County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.34 MGD
- NPDES permit
- OH0021652
- Effective
- Permit expires
- February 2027
- Population served
- 2,021
- CWNS 2022
Leetonia WWTP is a publicly owned wastewater treatment works in Leetonia, Columbiana County, Ohio treating an average of 0.13 million gallons per day against a permitted design capacity of 0.34 MGD, serving about 2,021 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OH0021652 (effective), which expires in February 2027, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Leetonia WWTP.
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Nearby wastewater treatment plants in Ohio
Leetonia · 2 mi away
0.00042 MGD
Washingtonville · 2 mi away
0.05 MGD
Columbiana · 4 mi away
0.66 MGD
Salem · 6 mi away
0.0011 MGD
Salem · 7 mi away
1.71 MGD
Lisbon · 8 mi away
0.17 MGD
Lisbon · 8 mi away
0.49 MGD
New Waterford · 9 mi away
0.11 MGD
Leetonia 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 November 29, 2025.