Middlefield WWTP
14740 Springdale Ave, Middlefield, OH 44062 · Geauga County · Publicly Owned Treatment Works
- Average flow
- 0.65 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 0.65 million gallons per day against a permitted design capacity of 1 MGD, serving about 2,753 residents. It discharges under NPDES permit OH0021181 (effective), which expires in November 2026, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Middlefield WWTP.
Available with a free Klarifi account
See the full treatment train at Middlefield WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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
0.18 MGD
Middlefield · 3 mi away
0.001 MGD
Burton · 4 mi away
0.01 MGD
Chardon · 5 mi away
0.07 MGD
Burton · 5 mi away
0.02 MGD
Chardon · 6 mi away
0.0086 MGD
Newbury · 7 mi away
0.02 MGD
Chardon · 7 mi away
0.04 MGD
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 October 26, 2026; facility record last updated September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms