North Royalton WWTP A
North Royalton, OH · Cuyahoga County · Publicly Owned Treatment Works
- Average flow
- 1.62 MGD
- Design flow
- 3.3 MGD
- NPDES permit
- OH0026794
- Effective
- Permit expires
- November 2030
- Population served
- 25,494
- CWNS 2022
North Royalton WWTP A is a publicly owned wastewater treatment works in North Royalton, Cuyahoga County, Ohio treating an average of 1.62 million gallons per day against a permitted design capacity of 3.3 MGD, serving about 25,494 residents. Treatment on site includes clarifiers. It discharges under NPDES permit OH0026794 (effective), which expires in November 2030, with 7 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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Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at North Royalton WWTP A.
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Nearby wastewater treatment plants in Ohio
Strongsville · 1 mi away
0.59 MGD
North Royalton · 3 mi away
0.32 MGD
Hinckley · 3 mi away
1.18 MGD
Strongsville · 4 mi away
0.61 MGD
Hinckley · 6 mi away
0.004 MGD
Hinckley · 7 mi away
0.0042 MGD
Valley City · 8 mi away
5.85 MGD
Columbia Station · 9 mi away
0.0014 MGD
North Royalton WWTP A: 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 April 5, 2025.