City Of Ogdensburg Wastewater Treatment Plant
Railroad St & Denny Stt, Ogdensburg, NY 13669 · Saint Lawrence County · Publicly Owned Treatment Works
- Average flow
- 3.16 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 3.16 million gallons per day against a permitted design capacity of 6.5 MGD, serving about 10,635 residents. It discharges under NPDES permit NY0029831 (administratively continued), which expires in February 2023, with 25 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2018.
Treatment technology
2 treatment structures and unit processes identified at City Of Ogdensburg Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at City Of Ogdensburg Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for City Of Ogdensburg Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 1
- latest Nov 2013
Latest case · Aug 2018
City of Ogdensburg
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication
EPA's description of the case:
“Respondent failed to submit the Pretreatment Program Annual Periodic Report for the 2017 reporting period (3/28/2017 ? 3/27/2018) by May 26, 2018 as required.”
Source: EPA ECHO, civil enforcement case 02-2018-3051.
Full case history with a free Klarifi account
Every action against City Of Ogdensburg Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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.
Nearby wastewater treatment plants in New York
Lisbon · 8 mi away
0.02 MGD
Rensselaer Falls · 11 mi away
0.03 MGD
Canton · 17 mi away
0.94 MGD
Dekalb Junction · 17 mi away
0.03 MGD
Waddington · 18 mi away
0.12 MGD
Hammond · 20 mi away
0.04 MGD
Hermon · 21 mi away
0.05 MGD
Norwood · 24 mi away
0.41 MGD
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 October 26, 2026; facility record last updated September 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms