Lasalle
La Salle, MN 56056 · Watonwan County · Publicly Owned Treatment Works
- Average flow
- 0.0041 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- MN0067458
- Effective
- Permit expires
- February 2030
- Population served
- 79
- CWNS 2022
Lasalle is a publicly owned wastewater treatment plant in La Salle, Watonwan County, Minnesota treating an average of 0.0041 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 79 residents. It discharges under NPDES permit MN0067458 (effective), which expires in February 2030, with 6 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Lasalle.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lasalle.
No verified contacts on file yet
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Nearby wastewater treatment plants in Minnesota
Saint James · 6 mi away
0.59 MGD
Hanska · 7 mi away
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Lewisville · 12 mi away
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Searles · 13 mi away
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Butterfield · 13 mi away
0.2 MGD
Odin · 15 mi away
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Sleepy Eye · 15 mi away
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Comfrey · 16 mi away
0.02 MGD
Lasalle: 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 July 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms