Groves At Newmans Crossing POTW
Marion, OH · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.0031 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- OH0135437
- Effective
- Permit expires
- September 2029
- Population served
- —
- CWNS 2022
Groves At Newmans Crossing POTW is a publicly owned wastewater treatment works in Marion, Marion County, Ohio treating an average of 0.0031 million gallons per day against a permitted design capacity of 0.02 MGD. It discharges under NPDES permit OH0135437 (effective), which expires in September 2029, with 17 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
- 17
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Groves At Newmans Crossing POTW.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Marion · 2 mi away
0.02 MGD
Marion · 3 mi away
0.53 MGD
Marion · 4 mi away
0.02 MGD
Marion · 5 mi away
0.0034 MGD
Prospect · 7 mi away
0.05 MGD
Caledonia · 7 mi away
0.0017 MGD
Marion · 8 mi away
4.64 MGD
Cardington · 10 mi away
0.16 MGD
Groves At Newmans Crossing POTW: 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 4, 2025.