OAKBROOK TERRACE
Illinois — Community Water System — PWSID: IL0430750
System Information
| PWSID | IL0430750 |
| System Name | OAKBROOK TERRACE |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 1, 2000 |
| Last Reported | Dec 4, 2025 |
Location & Contact
| State | Illinois |
| City | OAKBROOK TERRACE |
| ZIP Code | 60181 |
| Address | 17W275 BUTTERFIELD RD. |
| Organization | WARD, CRAIG W. |
| Phone | 630-941-1651 |
Population & Service
| Population Served | 1,440 |
| Service Connections | 558 |
Drinking Water Violations (4)
This water system has 4 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 13, 2021 | Lead and Copper Rule |
| Dec 30, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 13, 2021 | Lead and Copper Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 21, 2014 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 21, 2014 | Consumer Confidence Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.