Roscoe Sewer Treatment Plant
Livingston Manor, NY · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.2 MGD
- NPDES permit
- NY0034983
- Effective
- Permit expires
- December 2030
- Population served
- 520
- CWNS 2022
Roscoe Sewer Treatment Plant is a publicly owned wastewater treatment works in Livingston Manor, Sullivan County, New York treating an average of 0.03 million gallons per day against a permitted design capacity of 0.2 MGD, serving about 520 residents. Treatment on site includes carrousels / oxidation ditches. It discharges under NPDES permit NY0034983 (effective), which expires in December 2030, with 44 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 44
- Effluent violations
- 39
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Roscoe Sewer Treatment Plant.
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Livingston Manor · 6 mi away
0.13 MGD
Jeffersonville · 12 mi away
0.04 MGD
Liberty · 13 mi away
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Callicoon · 14 mi away
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Liberty · 15 mi away
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Walton · 18 mi away
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White Lake · 19 mi away
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Loch Sheldrake · 19 mi away
0.21 MGD
Roscoe Sewer 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 November 27, 2025.