Rocky River Wastewater Treatment Plant
22303 Lake Road, Rocky River, OH 44116 · Cuyahoga County · Publicly Owned Treatment Works
- Average flow
- 13.54 MGD
- Design flow
- 22.5 MGD
- NPDES permit
- OH0030503
- Effective
- Permit expires
- January 2028
- Population served
- 84,130
- CWNS 2022
Rocky River Wastewater Treatment Plant is a publicly owned wastewater treatment works in Rocky River, Cuyahoga County, Ohio treating an average of 13.54 million gallons per day against a permitted design capacity of 22.5 MGD, serving about 84,130 residents. It discharges under NPDES permit OH0030503 (effective), which expires in January 2028, with 15 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in August 2020.
Treatment technology
2 treatment structures and unit processes identified at Rocky River Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Rocky River Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 15
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 Rocky River Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 2
- 1 since FY2020
- Compliance actions
- $926,417
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2020
Rocky River AOC
Administrative order · CWA, NPDES Permit Violations · Final Order Issued
EPA's description of the case:
“The AOC mitigates alleged violations of Section 301 of the Clean Water Act (CWA) that the U.S. Environmental Protection Agency discovered at the City of Rocky River, Ohio (?the City?). The City…”
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Source: EPA ECHO, civil enforcement case 05-2020-0317.
Full case history with a free Klarifi account
Every action against Rocky River Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Rocky River Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Rocky River Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Lakewood · 2 mi away
6.28 MGD
North Olmsted · 5 mi away
6.03 MGD
Cleveland · 7 mi away
27.54 MGD
Strongsville · 9 mi away
0.84 MGD
Avon Lake · 10 mi away
4.71 MGD
North Royalton · 10 mi away
0.55 MGD
North Ridgeville · 11 mi away
6.82 MGD
Cleveland · 12 mi away
110.09 MGD
Rocky River Wastewater Treatment Plant: 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 March 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms