Ohioville WWTP
New Paltz, NY · Ulster County · Publicly Owned Treatment Works
- Average flow
- 0.0081 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- NY0109886
- Effective
- Permit expires
- April 2028
- Population served
- 130
- CWNS 2022
Ohioville WWTP is a publicly owned wastewater treatment works in New Paltz, Ulster County, New York treating an average of 0.0081 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 130 residents. It discharges under NPDES permit NY0109886 (effective), which expires in April 2028, with 61 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
- 61
- Effluent violations
- 27
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Ohioville WWTP.
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Nearby wastewater treatment plants in New York
New Paltz · 2 mi away
0.57 MGD
Highland · 6 mi away
0.76 MGD
Poughkeepsie · 6 mi away
6.18 MGD
Gardiner · 7 mi away
0.04 MGD
Hyde Park · 7 mi away
0.000000015 MGD
Rosendale · 7 mi away
0.06 MGD
Hyde Park · 9 mi away
0.05 MGD
Marlboro · 10 mi away
0.09 MGD
Ohioville 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 July 18, 2023.