Bolingbrook STP #1
Bolingbrook, IL · Will County · Publicly Owned Treatment Works
- Average flow
- 1.03 MGD
- Design flow
- —
- NPDES permit
- ILL032689
- Effective
- Permit expires
- December 2030
- Population served
- 19,246
- CWNS 2022
Bolingbrook STP #1 is a publicly owned wastewater treatment works in Bolingbrook, Will County, Illinois treating an average of 1.03 million gallons per day, serving about 19,246 residents. Treatment on site includes clarifiers, aerated lagoons. It discharges under NPDES permit ILL032689 (effective), which expires in December 2030, with 12 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
- 12
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Bolingbrook STP #1, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Bolingbrook STP #1, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Woodridge · 2 mi away
6.1 MGD
Romeoville · 5 mi away
4.81 MGD
Lemont · 5 mi away
2 MGD
Naperville · 5 mi away
17.26 MGD
Downers Grove · 6 mi away
6.39 MGD
Bolingbrook · 6 mi away
2.52 MGD
Glen Ellyn · 9 mi away
7.04 MGD
Burr Ridge · 9 mi away
8.31 MGD
Bolingbrook STP #1: 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 August 19, 2026.