Wellsville (v) WWTP
Wellsville, NY · Allegany County · Publicly Owned Treatment Works
- Average flow
- 0.6 MGD
- Design flow
- 2.2 MGD
- NPDES permit
- NY0020621
- Administratively continued
- Permit expires
- May 2020
- Population served
- 12,367
- CWNS 2022
Wellsville (v) WWTP is a publicly owned wastewater treatment works in Wellsville, Allegany County, New York treating an average of 0.6 million gallons per day against a permitted design capacity of 2.2 MGD, serving about 12,367 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit NY0020621 (administratively continued), which expires in May 2020, with 25 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 25
- Effluent violations
- 21
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Wellsville (v) WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Wellsville (v) WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Belmont · 8 mi away
0.07 MGD
Friendship · 10 mi away
0.05 MGD
Bolivar · 12 mi away
0.1 MGD
Alfred · 13 mi away
0.3 MGD
Cuba · 18 mi away
0.21 MGD
Hornell · 20 mi away
2.5 MGD
Canisteo · 21 mi away
0.1 MGD
Troupsburg · 22 mi away
0.005 MGD
Wellsville (v) 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 April 5, 2025.