City Of Ogdensburg Wastewater Treatment Plant
Ogdensburg, NY · Saint Lawrence County · Publicly Owned Treatment Works
- Average flow
- 1.6 MGD
- Design flow
- 6.5 MGD
- NPDES permit
- NY0029831
- Administratively continued
- Permit expires
- February 2023
- Population served
- 10,635
- CWNS 2022
City Of Ogdensburg Wastewater Treatment Plant is a publicly owned wastewater treatment works in Ogdensburg, Saint Lawrence County, New York treating an average of 1.6 million gallons per day against a permitted design capacity of 6.5 MGD, serving about 10,635 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas silos. It discharges under NPDES permit NY0029831 (administratively continued), which expires in February 2023, with 25 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 25
- Effluent violations
- 19
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for City Of Ogdensburg Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at City Of Ogdensburg Wastewater Treatment Plant, plus the full compliance history and discharge data.
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Rensselaer Falls · 11 mi away
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Canton · 17 mi away
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Dekalb Junction · 17 mi away
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Waddington · 18 mi away
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Hammond · 20 mi away
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Hermon · 21 mi away
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Norwood · 24 mi away
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City Of Ogdensburg Wastewater Treatment Plant: 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 May 21, 2025.