Middlefield WWTP
Middlefield, OH · Geauga County · Publicly Owned Treatment Works
- Average flow
- 0.46 MGD
- Design flow
- 1 MGD
- NPDES permit
- OH0021181
- Effective
- Permit expires
- November 2026
- Population served
- 2,753
- CWNS 2022
Middlefield WWTP is a publicly owned wastewater treatment works in Middlefield, Geauga County, Ohio treating an average of 0.46 million gallons per day against a permitted design capacity of 1 MGD, serving about 2,753 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit OH0021181 (effective), which expires in November 2026, with 1 recorded violation 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
- 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 Middlefield WWTP.
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Nearby wastewater treatment plants in Ohio
Burton · 3 mi away
0.12 MGD
Middlefield · 3 mi away
0.001 MGD
Burton · 4 mi away
0.0079 MGD
Chardon · 5 mi away
0.08 MGD
Burton · 5 mi away
0.0092 MGD
Chardon · 6 mi away
0.0032 MGD
Newbury · 7 mi away
0.01 MGD
Chardon · 7 mi away
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Middlefield 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 15, 2025.