Big Sister Creek WRRF
Angola, NY · Erie County · Publicly Owned Treatment Works
- Average flow
- 2.74 MGD
- Design flow
- —
- NPDES permit
- NYR00A952
- Effective
- Permit expires
- March 2028
- Population served
- 30,267
- CWNS 2022
Big Sister Creek WRRF is a publicly owned wastewater treatment plant in Angola, Erie County, New York treating an average of 2.74 million gallons per day, serving about 30,267 residents. Treatment on site includes clarifiers, aerated lagoons, biogas silos. It discharges under NPDES permit NYR00A952 (effective), which expires in March 2028, with 7 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
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Big Sister Creek WRRF, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Big Sister Creek WRRF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Irving · 7 mi away
0.17 MGD
Silver Creek · 10 mi away
0.28 MGD
Buffalo · 14 mi away
9.5 MGD
Gowanda · 14 mi away
0.41 MGD
Dunkirk · 17 mi away
—
Dunkirk · 19 mi away
1.2 MGD
Buffalo · 20 mi away
—
Dayton · 20 mi away
0.02 MGD
Big Sister Creek WRRF: 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 March 9, 2025.