OAK FOREST
Illinois — Community Water System — PWSID: IL0312190
System Information
| PWSID | IL0312190 |
| System Name | OAK FOREST |
| System Type | Community |
| Water Source | Surface Water Purchased |
Location
| State | Illinois |
| City | — |
| County | — |
| ZIP Code | — |
Population
| Population Served | 27,478 |
Drinking Water Violations (16)
This water system has 16 violations recorded in the EPA SDWIS database.
| Date | Contaminant | Health-Based | Status | Rule |
|---|---|---|---|---|
| Jul 2, 2025 | LEAD AND COPPER RULE REVISIONS | Y | Unaddressed | Lead and Copper Rule Revisions |
| Jul 2, 2025 | LEAD AND COPPER RULE REVISIONS | Y | Unaddressed | Lead and Copper Rule Revisions |
| Jul 1, 2025 | Consumer Confidence Rule | Y | Unaddressed | Consumer Confidence Rule |
| Dec 30, 2020 | Lead and Copper Rule | Y | Resolved | Lead and Copper Rule |
| Dec 30, 2020 | Lead and Copper Rule | Y | Resolved | Lead and Copper Rule |
| Jul 1, 2019 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2019 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2016 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2016 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2009 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2009 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Sep 3, 2008 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Sep 3, 2008 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2007 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jul 1, 2007 | Consumer Confidence Rule | Y | Resolved | Consumer Confidence Rule |
| Jun 30, 1977 | Gross Alpha, Excl. Radon and U | Y | Archived | Radionuclides and Revised Rad 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.