1101 Faribault ST, Waterville, MN 56096 · Le Sueur County · Publicly Owned Treatment Works
Waterville WWTP is a publicly owned wastewater treatment works in Waterville, Le Sueur County, Minnesota. It discharges under NPDES permit MN0025208 (administratively continued), which expires in February 2019.
One treatment structure or unit process identified at Waterville WWTP.
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See the full treatment train at Waterville WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
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Elysian · 5 mi away
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Morristown · 6 mi away
0.06 MGD
Kilkenny · 7 mi away
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Janesville Township · 11 mi away
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Owatonna · 12 mi away
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Le Center · 14 mi away
0.43 MGD
Medford · 15 mi away
0.08 MGD
Cleveland · 17 mi away
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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 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms