Rio Grand WWTP
State Route 86 & Grayview Court, Painesville, OH 44077 · Lake County · Publicly Owned Treatment Works
- Average flow
- 0.0072 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 0.0072 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 and unit processes at Rio Grand WWTP.
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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Painesville · 1 mi away
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Painesville · 5 mi away
0.01 MGD
Mentor · 6 mi away
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Chardon · 7 mi away
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Russell · 8 mi away
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Chardon · 8 mi away
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Kirtland · 9 mi away
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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 October 26, 2026; facility record last updated September 3, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms