Gridley Stp, Village Of
Mclean County Road 2080E, Gridley, IL 61744 · Mclean County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.47 MGD
- NPDES permit
- ILG580102
- Effective
- Permit expires
- May 2027
- Population served
- 1,205
- CWNS 2022
Gridley Stp, Village Of is a publicly owned wastewater treatment works in Gridley, Mclean County, Illinois treating an average of 0.04 million gallons per day against a permitted design capacity of 0.47 MGD, serving about 1,205 residents. It discharges under NPDES permit ILG580102 (effective), which expires in May 2027, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Gridley Stp, Village Of.
Available with a free Klarifi account
See the full treatment train at Gridley Stp, Village 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
Decision-makers at Gridley Stp, Village Of.
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Nearby wastewater treatment plants in Illinois
El Paso · 7 mi away
0.44 MGD
Flanagan · 8 mi away
0.08 MGD
Chenoa · 9 mi away
0.19 MGD
Minonk · 15 mi away
0.7 MGD
Colfax · 17 mi away
0.14 MGD
Roanoke · 17 mi away
0.39 MGD
Fairbury · 19 mi away
0.64 MGD
Bloomington · 20 mi away
16.33 MGD
Gridley 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 5, 2026; facility record last updated August 11, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms