North Royalton WWTP B
11355 Sprague Road, North Royalton, OH 44133 · Cuyahoga County · Publicly Owned Treatment Works
- Average flow
- 0.55 MGD
- Design flow
- 1 MGD
- NPDES permit
- OH0026808
- Effective
- Permit expires
- October 2029
- Population served
- 4,700
- CWNS 2022
North Royalton WWTP B is a publicly owned wastewater treatment works in North Royalton, Cuyahoga County, Ohio treating an average of 0.55 million gallons per day against a permitted design capacity of 1 MGD, serving about 4,700 residents. It discharges under NPDES permit OH0026808 (effective), which expires in October 2029, with 5 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at North Royalton WWTP B.
Available with a free Klarifi account
See the full treatment train at North Royalton WWTP B: 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.
Key contacts
Decision-makers at North Royalton WWTP B.
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Nearby wastewater treatment plants in Ohio
Strongsville · 3 mi away
0.84 MGD
North Royalton · 3 mi away
2.25 MGD
Strongsville · 3 mi away
0.86 MGD
Hinckley · 5 mi away
1.89 MGD
North Olmsted · 7 mi away
6.03 MGD
Cleveland · 8 mi away
110.09 MGD
Hinckley · 8 mi away
0.0059 MGD
Valley City · 9 mi away
9.15 MGD
North Royalton WWTP B: 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 December 19, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms