Colton STP
Spring Street, Colton, NY 13625 · Saint Lawrence County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.07 MGD
- NPDES permit
- NY0022012
- Effective
- Permit expires
- March 2031
- Population served
- 530
- CWNS 2022
Colton STP is a publicly owned wastewater treatment works in Colton, Saint Lawrence County, New York treating an average of 0.04 million gallons per day against a permitted design capacity of 0.07 MGD, serving about 530 residents. It discharges under NPDES permit NY0022012 (effective), which expires in March 2031, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Colton STP.
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 Colton STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Potsdam · 9 mi away
1.36 MGD
Canton · 12 mi away
0.94 MGD
Norwood · 14 mi away
0.41 MGD
Hermon · 16 mi away
0.05 MGD
Dekalb Junction · 17 mi away
0.03 MGD
Norfolk · 17 mi away
0.18 MGD
Rensselaer Falls · 19 mi away
0.03 MGD
Saint Regis Falls · 21 mi away
0.02 MGD
Colton 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 July 18, 2023.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms