Medina Co Sd #300 Hinckley WWTP
85 Ridge Rd, Hinckley, OH 44233 · Medina County · Publicly Owned Treatment Works
- Average flow
- 1.89 MGD
- Design flow
- 3.25 MGD
- NPDES permit
- OH0045748
- Effective
- Permit expires
- November 2030
- Population served
- 26,828
- CWNS 2022
Medina Co Sd #300 Hinckley WWTP is a publicly owned wastewater treatment works in Hinckley, Medina County, Ohio treating an average of 1.89 million gallons per day against a permitted design capacity of 3.25 MGD, serving about 26,828 residents. It discharges under NPDES permit OH0045748 (effective), which expires in November 2030, with 5 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Medina Co Sd #300 Hinckley WWTP.
Available with a free Klarifi account
See the full treatment train at Medina Co Sd #300 Hinckley WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Medina Co Sd #300 Hinckley WWTP in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Aug 2025
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Medina Co Sd #300 Hinckley WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Medina Co Sd #300 Hinckley WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Hinckley · 3 mi away
0.0059 MGD
North Royalton · 3 mi away
2.25 MGD
Strongsville · 4 mi away
0.86 MGD
Hinckley · 5 mi away
0.0075 MGD
North Royalton · 5 mi away
0.55 MGD
Strongsville · 7 mi away
0.84 MGD
Valley City · 9 mi away
9.15 MGD
Peninsula · 10 mi away
0.0036 MGD
Medina Co Sd #300 Hinckley 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 May 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms