Orwell WWTP
Orwell, OH · Ashtabula County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.52 MGD
- NPDES permit
- OH0026913
- Effective
- Permit expires
- June 2027
- Population served
- 1,533
- CWNS 2022
Orwell WWTP is a publicly owned wastewater treatment works in Orwell, Ashtabula County, Ohio treating an average of 0.05 million gallons per day against a permitted design capacity of 0.52 MGD, serving about 1,533 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit OH0026913 (effective), which expires in June 2027, with 40 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 40
- Effluent violations
- 40
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Orwell WWTP.
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Nearby wastewater treatment plants in Ohio
Rome · 5 mi away
0.000063 MGD
Roaming Shores · 9 mi away
0.04 MGD
Rock Creek · 9 mi away
0.03 MGD
Middlefield · 10 mi away
0.001 MGD
Middlefield · 12 mi away
0.46 MGD
Cortland · 13 mi away
0.02 MGD
Burton · 14 mi away
0.12 MGD
Chardon · 15 mi away
0.0032 MGD
Orwell 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 August 7, 2026.