Chillicothe Sd
Chillicothe, IL · Peoria County · Publicly Owned Treatment Works
- Average flow
- 0.34 MGD
- Design flow
- 2 MGD
- NPDES permit
- IL0023159
- Effective
- Permit expires
- September 2030
- Population served
- 6,072
- CWNS 2022
Chillicothe Sd is a publicly owned wastewater treatment plant in Chillicothe, Peoria County, Illinois treating an average of 0.34 million gallons per day against a permitted design capacity of 2 MGD, serving about 6,072 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit IL0023159 (effective), which expires in September 2030, with 0 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
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Chillicothe Sd, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Chillicothe Sd, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Metamora · 9 mi away
0.25 MGD
Dunlap · 9 mi away
0.06 MGD
Lacon · 9 mi away
0.14 MGD
Metamora · 9 mi away
0.07 MGD
Sparland · 10 mi away
—
Washburn · 10 mi away
0.07 MGD
Metamora · 12 mi away
0.09 MGD
East Peoria · 13 mi away
0.32 MGD
Chillicothe Sd: 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 28, 2025.