Sherrard Stp, Village Of
County Road 1, Sherrard, IL 61281 · Mercer County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.45 MGD
- NPDES permit
- ILG580037
- Effective
- Permit expires
- May 2027
- Population served
- 812
- CWNS 2022
Sherrard Stp, Village Of is a publicly owned wastewater treatment works in Sherrard, Mercer County, Illinois treating an average of 0.15 million gallons per day against a permitted design capacity of 0.45 MGD, serving about 812 residents. It discharges under NPDES permit ILG580037 (effective), which expires in May 2027, with 2 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Sherrard Stp, Village Of.
Available with a free Klarifi account
See the full treatment train at Sherrard Stp, Village Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Sherrard Stp, Village Of.
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Nearby wastewater treatment plants in Illinois
Orion · 7 mi away
0.46 MGD
Milan · 7 mi away
0.05 MGD
Matherville · 7 mi away
0.05 MGD
Viola · 8 mi away
0.09 MGD
New Windsor · 8 mi away
0.02 MGD
Reynolds · 8 mi away
0.14 MGD
Alpha · 10 mi away
0.21 MGD
Milan · 11 mi away
0.77 MGD
Sherrard Stp, Village 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 August 4, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms