Environment — Warrenville, Illinois

Environmental Reporti

Air Qualityi

44Good

Water Systemsi

2community / 62 total

Water Compliancei

Clean

Active NPDESi

6/ 17 total

Air Quality — DuPage County (2025)i

AQS

The Air Quality Index measures how clean or polluted the air is on a given day. AQI is reported at the county level. A score of 0–50 is considered good; 51–100 is moderate; above 100 may be unhealthy for sensitive groups.

Good

Median AQI

050100150200300

max 158

PM2.5 Daysi

168

Ozone Daysi

105

Drinking Wateri

SDWIS

Public water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Transient systems serve places like gas stations or restaurants. Violations indicate a system failed to meet federal drinking water standards.

Community Systemsi

Active Systemsi

Recent Violationsi

Transient (47)

Community (2)

Non-Transient (1)

Wastewater & Stormwater Permits (NPDES)i

NPDES

Under the Clean Water Act, any facility that discharges wastewater or stormwater into rivers, lakes, or streams must hold an NPDES permit. "Effective" means the permit is currently active and the facility is authorized to discharge under its permit conditions.

Active Permitsi

Expired / Terminatedi

WARRENVILLE CANCER CENTER EXPANSION4405 WEAVER PARKWAYMinor Discharge|EPA

CERNY PARK28W415 FORESTVIEW DRIVEConstruction Stormwater|EPA

ILLINOIS YOUTH CENTER - WARRENVILLE30W200 FERRY ROADConstruction Stormwater|EPA

CANTERA POINTFERRY ROAD & WARRENVILLE ROADConstruction Stormwater|EPA

WELL NO. 13 AND WATER TREATMENT PLANT30W121 ESTES STREETConstruction Stormwater|EPA

SELF-STORAGE FACILITY4100 CANTERA DRIVEConstruction Stormwater|EPA

Cleanup Sites (Brownfields)i

EPA Brownfields

Former industrial or commercial properties where contamination has been found. "Remedy Complete" means cleanup is finished. "Construction Complete" means cleanup infrastructure is built but monitoring continues. "In Progress" means the site is still being investigated or cleaned up.

DUPAGE COUNTY LANDFILL/BLACKWELL FOREST PRESERVEROUTE 56In Progress|EPA

WARRENVILLE (PHILLIPS 66)28W244 WARRENVILLE ROADIn Progress|

MUSSELMAN LUMBER CO (FORMER)28W 751 MOUNT STREETIn Progress|

Superfund Sitesi

EPA Superfund

Superfund sites are the nation's most seriously contaminated locations. They are placed on the National Priorities List (NPL) and receive long-term federal cleanup funding. Most communities have none.

DuPage County Landfill/Blackwell Forest

Deleted NPL Site

EPA

Leaking Underground Storage Tanksi

IL EPA

Underground storage tanks (commonly at gas stations) can leak fuel and chemicals into soil and groundwater. "Open" means the leak is still being investigated or cleaned up. "Closed" means the site received a No Further Remediation (NFR) letter — cleanup is done.

Total 34Open 7Closed 27

Open Incidents (7)

Speedway, LLC #71462 South 540 Rt. 59|#20002409|IL EPA

Forest Preserve District of Dupage County2S541 Winfield Road|#20170983|IL EPA

Kresl Power Equipment2 South 613 Route 59|#20021705|IL EPA

Schmidt, Al29 West 572 Batavia Rd.|#890921|IL EPA

Warrenville, City of Comm. Dev.28W715 Mount Street|#20140461|IL EPA

Forest Preserve District of DuPage County2 South 601 Winfield Road|#20080546|IL EPA

Fontana Motor Sales28W050 Warrenville Road|#890615|IL EPA

EV Charging & Alternative Fuel Stationsi

AFDC

Publicly listed alternative fuel and EV charging stations within the municipality. Data from the U.S. Department of Energy. "Open" stations are currently available for use; "Planned" stations are approved but not yet operational.

Total Stationsi

EV Stationsi

Level 2 Portsi

AMPUP

Vanguard Warrenville Apartments28262 Diehl RdElectric4 L2AMPUP