Marathon (v) STP
Marathon, NY · Cortland County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.2 MGD
- NPDES permit
- NY0028363
- Expired
- Permit expires
- April 2026
- Population served
- 926
- CWNS 2022
Marathon (v) STP is a publicly owned wastewater treatment works in Marathon, Cortland County, New York treating an average of 0.07 million gallons per day against a permitted design capacity of 0.2 MGD, serving about 926 residents. It discharges under NPDES permit NY0028363 (expired), which expires in April 2026, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
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
Decision-makers at Marathon (v) STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Whitney Point · 8 mi away
0.05 MGD
Cortland · 13 mi away
3.4 MGD
Greene · 15 mi away
0.22 MGD
Freeville · 17 mi away
0.04 MGD
Binghamton · 20 mi away
0.52 MGD
Port Crane · 22 mi away
0.0012 MGD
Oxford · 22 mi away
0.06 MGD
Endicott · 24 mi away
4.81 MGD
Marathon (v) 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 September 11, 2026; facility record last updated September 29, 2025.