Clayton (v) STP
Clayton, NY · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.35 MGD
- Design flow
- 1.05 MGD
- NPDES permit
- NY0027545
- Administratively continued
- Permit expires
- November 2025
- Population served
- 2,029
- CWNS 2022
Clayton (v) STP is a publicly owned wastewater treatment works in Clayton, Jefferson County, New York treating an average of 0.35 million gallons per day against a permitted design capacity of 1.05 MGD, serving about 2,029 residents. It discharges under NPDES permit NY0027545 (administratively continued), which expires in November 2025, with 2 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
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Clayton (v) STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Clayton (v) STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Alexandria Bay · 7 mi away
0.07 MGD
Lafargeville · 7 mi away
0.03 MGD
Depauville · 7 mi away
0.008 MGD
Alexandria Bay · 11 mi away
0.1 MGD
Chaumont · 12 mi away
0.03 MGD
Theresa · 14 mi away
0.02 MGD
Cape Vincent · 14 mi away
0.08 MGD
Dexter · 16 mi away
0.1 MGD
Clayton (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 August 18, 2026.