Shelbyville Stw, City Of
1300 S. Hickory Street, Shelbyville, IL 62565 · Shelby County · Publicly Owned Treatment Works
- Average flow
- 0.91 MGD
- Design flow
- 2 MGD
- NPDES permit
- IL0021890
- Effective
- Permit expires
- September 2029
- Population served
- 4,495
- CWNS 2022
Shelbyville Stw, City Of is a publicly owned wastewater treatment plant in Shelbyville, Shelby County, Illinois treating an average of 0.91 million gallons per day against a permitted design capacity of 2 MGD, serving about 4,495 residents. It discharges under NPDES permit IL0021890 (effective), which expires in September 2029, with 25 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Shelbyville Stw, City Of.
Available with a free Klarifi account
See the full treatment train at Shelbyville Stw, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 25
- Effluent violations
- 24
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Shelbyville Stw, City Of, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Shelbyville Stw, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Tower Hill · 7 mi away
0.05 MGD
Findlay · 9 mi away
0.04 MGD
Strasburg · 10 mi away
0.2 MGD
Cowden · 11 mi away
—
Pana · 11 mi away
1.25 MGD
Windsor · 12 mi away
0.45 MGD
Stewardson · 14 mi away
0.11 MGD
Herrick · 15 mi away
0.04 MGD
Shelbyville Stw, 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 August 11, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms