Leroy Stp, City Of
701 South East Street, Le Roy, IL 61752 · Mclean County · Publicly Owned Treatment Works
- Average flow
- 0.74 MGD
- Design flow
- 1.64 MGD
- NPDES permit
- IL0021563
- Effective
- Permit expires
- September 2027
- Population served
- 3,551
- CWNS 2022
Leroy Stp, City Of is a publicly owned wastewater treatment works in Le Roy, Mclean County, Illinois treating an average of 0.74 million gallons per day against a permitted design capacity of 1.64 MGD, serving about 3,551 residents. It discharges under NPDES permit IL0021563 (effective), which expires in September 2027, with 0 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Leroy Stp, City Of.
Available with a free Klarifi account
See the full treatment train at Leroy Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Leroy Stp, City Of, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Leroy Stp, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Farmer City · 9 mi away
0.4 MGD
Bloomington · 11 mi away
4.04 MGD
Heyworth · 13 mi away
0.33 MGD
Bloomington · 14 mi away
0.005 MGD
Colfax · 17 mi away
0.14 MGD
Bloomington · 17 mi away
16.33 MGD
Waynesville · 21 mi away
0.0028 MGD
Mahomet · 21 mi away
0.61 MGD
Leroy Stp, 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 October 26, 2026; facility record last updated November 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms