Rocky River Wastewater Treatment Plant
Rocky River, OH · Cuyahoga County · Publicly Owned Treatment Works
- Average flow
- 8.3 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 8.3 million gallons per day against a permitted design capacity of 22.5 MGD, serving about 84,130 residents. Treatment on site includes biogas silos, biogas balloons. It discharges under NPDES permit OH0030503 (effective), which expires in January 2028, with 15 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
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.
Key contacts
1 verified contact for Rocky River Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
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
11.52 MGD
North Olmsted · 5 mi away
3.57 MGD
Cleveland · 7 mi away
18.52 MGD
Strongsville · 9 mi away
0.61 MGD
Avon Lake · 10 mi away
3.71 MGD
North Royalton · 10 mi away
0.32 MGD
North Ridgeville · 11 mi away
4.98 MGD
Cleveland · 12 mi away
78.11 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 September 11, 2026; facility record last updated March 5, 2025.