Baldwinsville Seneca Knolls
Baldwinsville, NY · Onondaga County · Publicly Owned Treatment Works
- Average flow
- 2.5 MGD
- Design flow
- 9 MGD
- NPDES permit
- NY0030571
- Administratively continued
- Permit expires
- June 2019
- Population served
- 17,946
- CWNS 2022
Baldwinsville Seneca Knolls is a publicly owned wastewater treatment plant in Baldwinsville, Onondaga County, New York treating an average of 2.5 million gallons per day against a permitted design capacity of 9 MGD, serving about 17,946 residents. Treatment on site includes biogas silos. It discharges under NPDES permit NY0030571 (administratively continued), which expires in June 2019, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Baldwinsville Seneca Knolls, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Baldwinsville Seneca Knolls, plus the full compliance history and discharge data.
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Baldwinsville Seneca Knolls: 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.