Wood Dale South STP
Wood Dale, IL · Du Page County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- —
- NPDES permit
- ILL034274
- Effective
- Permit expires
- December 2030
- Population served
- 4,854
- CWNS 2022
Wood Dale South STP is a publicly owned wastewater treatment works in Wood Dale, Du Page County, Illinois treating an average of 0.19 million gallons per day, serving about 4,854 residents. It discharges under NPDES permit ILL034274 (effective), which expires in December 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.
Treatment structure data not yet analyzed for this facility.
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.
Capital improvement projects in Wood Dale
Wood Dale's capital improvement plan lists 5 water, sewer and wastewater line items worth $49M starting 2026–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Wood Dale →
| Project | Budget | Years |
|---|---|---|
| Plant & Lift Station Maintenance | $30,455,000 | 2026–2035 |
| Water Facilities & Equipment Upgrades | $6,760,000 | 2026–2035 |
| Inflow and Infiltration Program | $6,354,108 | 2026–2035 |
| Water Distribution Master Plan | $5,264,500 | 2026–2035 |
| Infrastructure Tap-on Program | $200,000 | 2026–2035 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Decision-makers at Wood Dale South STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Illinois
Addison · 1 mi away
2.24 MGD
Wood Dale · 1 mi away
1.03 MGD
Addison · 2 mi away
1.22 MGD
Itasca · 2 mi away
0.9 MGD
Itasca · 2 mi away
—
Elmhurst · 5 mi away
7.92 MGD
Roselle · 7 mi away
0.58 MGD
Glen Ellyn · 8 mi away
7.04 MGD
Wood Dale South STP: 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.