Auburn - C STP
35 Bradley St, Auburn, NY 13021 · Cayuga County · Publicly Owned Treatment Works
- Average flow
- 8.34 MGD
- Design flow
- 12 MGD
- NPDES permit
- NY0021903
- Effective
- Permit expires
- April 2031
- Population served
- 34,203
- CWNS 2022
Auburn - C STP is a publicly owned wastewater treatment works in Auburn, Cayuga County, New York treating an average of 8.34 million gallons per day against a permitted design capacity of 12 MGD, serving about 34,203 residents. It discharges under NPDES permit NY0021903 (effective), which expires in April 2031, with 7 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in March 2007.
Treatment technology
2 treatment structures and unit processes identified at Auburn - C STP.
Available with a free Klarifi account
See the full treatment train at Auburn - C STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 6
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 Auburn - C STP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $1,000
- required by EPA orders
- EPA inspections
- 1
- latest Jul 2004
Latest case · Mar 2007
City of Auburn Water Pollution Control Plant
Administrative order · CWA, Sewage Sludge Disposal · Unilateral Administrative Order Without Adjudication · Compliance actions $1,000
EPA's description of the case:
“Facility exceeded the average monthly concentration limit of 100 ppm for carbon monoxide in the exit gas from a sewage sludge incinerator stack during the months of February, March, July and October…”
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Source: EPA ECHO, civil enforcement case 02-2007-3023.
Full case history with a free Klarifi account
Every action against Auburn - C STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
12 verified contacts for Auburn - C STP, with validated emails and direct phone numbers.
Unlock 12 verified contacts (9 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Auburn - C STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Port Byron · 7 mi away
0.12 MGD
Weedsport · 8 mi away
0.33 MGD
Union Springs · 9 mi away
0.18 MGD
Seneca Falls · 10 mi away
—
Jordan · 11 mi away
0.08 MGD
Savannah · 12 mi away
0.03 MGD
Waterloo · 13 mi away
1.91 MGD
Marcellus · 13 mi away
0.3 MGD
Auburn - C STP: 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 January 23, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms