Lasalle East Side Wwtp, City Of
La Salle, IL · Lasalle County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- ILL078336
- Effective
- Permit expires
- December 2030
- Population served
- 4,295
- CWNS 2022
Lasalle East Side Wwtp, City Of is a publicly owned wastewater treatment works in La Salle, Lasalle County, Illinois treating an average of 0.02 million gallons per day, serving about 4,295 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit ILL078336 (effective), which expires in December 2030, with 5 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
- 5
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lasalle East Side Wwtp, City Of.
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Nearby wastewater treatment plants in Illinois
Oglesby · 3 mi away
0.31 MGD
Utica · 4 mi away
0.15 MGD
Dalzell · 5 mi away
0.04 MGD
Cedar Point · 6 mi away
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Spring Valley · 7 mi away
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Ladd · 8 mi away
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Tonica · 9 mi away
0.05 MGD
Granville · 10 mi away
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Lasalle East Side Wwtp, City Of: 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 March 16, 2025.