Rio Grand WWTP
Painesville, OH · Lake County · Publicly Owned Treatment Works
- Average flow
- 0.0048 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- OH0092096
- Effective
- Permit expires
- February 2028
- Population served
- 120
- CWNS 2022
Rio Grand WWTP is a publicly owned wastewater treatment works in Painesville, Lake County, Ohio treating an average of 0.0048 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 120 residents. It discharges under NPDES permit OH0092096 (effective), which expires in February 2028, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Rio Grand WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Painesville · 1 mi away
0.41 MGD
Painesville · 4 mi away
2.06 MGD
Painesville · 5 mi away
0.0061 MGD
Mentor · 6 mi away
9.35 MGD
Chardon · 7 mi away
0.0027 MGD
Russell · 8 mi away
0.0031 MGD
Chardon · 8 mi away
0.36 MGD
Kirtland · 9 mi away
0.0089 MGD
Rio Grand WWTP: 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 September 3, 2024.