Peru STP #2
Peru, IL · La Salle County · Publicly Owned Treatment Works
- Average flow
- 0.68 MGD
- Design flow
- —
- NPDES permit
- ILL075507
- Effective
- Permit expires
- December 2030
- Population served
- 3,172
- CWNS 2022
Peru STP #2 is a publicly owned wastewater treatment works in Peru, La Salle County, Illinois treating an average of 0.68 million gallons per day, serving about 3,172 residents. It discharges under NPDES permit ILL075507 (effective), which expires in December 2030, with 92 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 92
- 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 Peru STP #2.
No verified contacts on file yet
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Nearby wastewater treatment plants in Illinois
Nauvoo · 199 mi away
0.13 MGD
Warsaw · 201 mi away
0.04 MGD
Mendon · 215 mi away
0.02 MGD
Keithsburg · 215 mi away
0.11 MGD
Carthage · 216 mi away
0.3 MGD
West Point · 217 mi away
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Joy · 217 mi away
0.06 MGD
Loraine · 218 mi away
—
Peru STP #2: 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 November 1, 2024.