Avon WWTP
1 Greenfield Road, Woodridge, NY 12789 · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.51 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 0.51 million gallons per day against a permitted design capacity of 0.79 MGD, serving about 917 residents. It discharges under NPDES permit NY0023493 (effective), which expires in March 2030, with 85 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in March 2025.
Treatment technology
One treatment structure or unit process identified at Avon WWTP.
Available with a free Klarifi account
See the full treatment train at Avon WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 85
- Effluent violations
- 61
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Avon WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $5,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Mar 2025
Village of Woodridge
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $5,000
EPA's description of the case:
“To develop and submit to EPA, with a copy to NYSDEC, written operation and maintenance procedures for the collection system.”
Source: EPA ECHO, civil enforcement case 02-2024-3034.
Full case history with a free Klarifi account
Every action against Avon WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Avon WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
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
1.66 MGD
Monticello · 4 mi away
0.33 MGD
Loch Sheldrake · 5 mi away
0.28 MGD
Monticello · 5 mi away
1.37 MGD
Thompson · 6 mi away
0.23 MGD
Monticello · 6 mi away
0.0028 MGD
Monticello · 8 mi away
0.02 MGD
Liberty · 9 mi away
0.83 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 October 26, 2026; facility record last updated November 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms