11675 Royalton Rd., North Royalton, OH 44133 · Cuyahoga County · Publicly Owned Treatment Works
North Royalton WWTP A is a publicly owned wastewater treatment works in North Royalton, Cuyahoga County, Ohio treating an average of 2.25 million gallons per day against a permitted design capacity of 3.3 MGD, serving about 25,494 residents. It discharges under NPDES permit OH0026794 (effective), which expires in November 2030, with 7 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 1996.
One treatment structure or unit process identified at North Royalton WWTP A.
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See the full treatment train at North Royalton WWTP A: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for North Royalton WWTP A in EPA's ICIS system.
Latest case · Sep 1996
NORTH ROYALTON, OHIO
Administrative order · CWA, Sewage Sludge Disposal · Final Order With Penalty · Penalty $500
Source: EPA ECHO, civil enforcement case 05-1996-0137.
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Every action against North Royalton WWTP A with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at North Royalton WWTP A.
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Strongsville · 1 mi away
0.86 MGD
North Royalton · 3 mi away
0.55 MGD
Hinckley · 3 mi away
1.89 MGD
Strongsville · 4 mi away
0.84 MGD
Hinckley · 6 mi away
0.0059 MGD
Hinckley · 7 mi away
0.0075 MGD
Valley City · 8 mi away
9.15 MGD
Columbia Station · 9 mi away
0.0086 MGD
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 April 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms