Avon WWTP
Woodridge, NY · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.28 MGD
- Design flow
- 0.79 MGD
- NPDES permit
- NY0023493
- Effective
- Permit expires
- March 2030
- Population served
- 917
- CWNS 2022
Avon WWTP is a publicly owned wastewater treatment works in Woodridge, Sullivan County, New York treating an average of 0.28 million gallons per day against a permitted design capacity of 0.79 MGD, serving about 917 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit NY0023493 (effective), which expires in March 2030, with 84 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 84
- Effluent violations
- 60
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Avon WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Avon WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
South Fallsburg · 1 mi away
1.08 MGD
Monticello · 4 mi away
0.23 MGD
Loch Sheldrake · 5 mi away
0.21 MGD
Monticello · 5 mi away
0.71 MGD
Thompson · 6 mi away
0.15 MGD
Monticello · 6 mi away
0.0015 MGD
Monticello · 8 mi away
0.01 MGD
Liberty · 9 mi away
0.61 MGD
Avon 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 November 7, 2025.