Genoa Stw, City Of
100 Madison Street, Genoa, IL 60135 · De Kalb County · Publicly Owned Treatment Works
- Average flow
- 0.6 MGD
- Design flow
- 1.95 MGD
- NPDES permit
- IL0055182
- Effective
- Permit expires
- July 2029
- Population served
- 7,328
- CWNS 2022
Genoa Stw, City Of is a publicly owned wastewater treatment plant in Genoa, De Kalb County, Illinois treating an average of 0.6 million gallons per day against a permitted design capacity of 1.95 MGD, serving about 7,328 residents. It discharges under NPDES permit IL0055182 (effective), which expires in July 2029, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Genoa Stw, City Of.
Available with a free Klarifi account
See the full treatment train at Genoa Stw, City 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
2 verified contacts for Genoa Stw, City Of, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Genoa Stw, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Sycamore · 7 mi away
3.26 MGD
Kirkland · 8 mi away
0.23 MGD
Cortland, Township Of · 12 mi away
0.55 MGD
Marengo · 13 mi away
0.42 MGD
Maple Park · 14 mi away
0.17 MGD
Huntley · 14 mi away
1.11 MGD
Pingree Grove · 14 mi away
0.78 MGD
Huntley · 15 mi away
1.04 MGD
Genoa 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 March 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms