Geneseo Stp, City Of
North Stewart Street, Geneseo, IL 61254 · Henry County · Publicly Owned Treatment Works
- Average flow
- 2.68 MGD
- Design flow
- —
- NPDES permit
- ILL021814
- Effective
- Permit expires
- December 2030
- Population served
- 6,505
- CWNS 2022
Geneseo Stp, City Of is a publicly owned wastewater treatment works in Geneseo, Henry County, Illinois treating an average of 2.68 million gallons per day, serving about 6,505 residents. It discharges under NPDES permit ILL021814 (effective), which expires in December 2030, with 3 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Geneseo Stp, City Of.
Available with a free Klarifi account
See the full treatment train at Geneseo Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
13 verified contacts for Geneseo Stp, City Of, with validated emails and direct phone numbers.
Unlock 13 verified contacts (10 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Geneseo Stp, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
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Colona · 9 mi away
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Hillsdale · 11 mi away
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Cambridge · 11 mi away
0.87 MGD
Orion · 13 mi away
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Annawan · 14 mi away
0.09 MGD
Erie · 14 mi away
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East Moline · 14 mi away
4.16 MGD
Geneseo 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 February 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms