Waddington (v) WWTF
Pine St, Waddington, NY 13694 · St Lawrence County · Publicly Owned Treatment Works
- Average flow
- 0.12 MGD
- Design flow
- 0.26 MGD
- NPDES permit
- NY0030180
- Effective
- Permit expires
- May 2031
- Population served
- 856
- CWNS 2022
Waddington (v) WWTF is a publicly owned wastewater treatment works in Waddington, St Lawrence County, New York treating an average of 0.12 million gallons per day against a permitted design capacity of 0.26 MGD, serving about 856 residents. It discharges under NPDES permit NY0030180 (effective), which expires in May 2031, with 26 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Waddington (v) WWTF.
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See the full treatment train at Waddington (v) WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 26
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Waddington (v) WWTF.
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Nearby wastewater treatment plants in New York
Norfolk · 10 mi away
0.18 MGD
Lisbon · 12 mi away
0.02 MGD
Norwood · 12 mi away
0.41 MGD
Potsdam · 16 mi away
1.36 MGD
Massena · 16 mi away
—
Canton · 17 mi away
0.94 MGD
Ogdensburg · 18 mi away
3.16 MGD
Rensselaer Falls · 20 mi away
0.03 MGD
Waddington (v) WWTF: 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 November 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms