CREST HILL
Illinois - Community Water System - PWSID: IL1970250
System Information
| PWSID | IL1970250 |
| System Name | CREST HILL |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | CREST HILL |
| ZIP Code | 60403 |
| Address | 2090 Oakland Ave |
| Organization | KEMP, JOHN |
| Phone | 815-723-8671 |
Population & Service
| Population Served | 21,169 |
| Service Connections | 6,500 |
Drinking Water Violations (212)
This water system has 212 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Oct 31, 2025 | MON | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | No | - | 4.0 mg/L | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | No | - | 4.0 mg/L | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MON | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MON | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | No | - | 4.0 mg/L | - | Resolved | Oct 31, 2025 | - | |
| Jul 12, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 23, 2025 | - | Other | No | No | - | - | - | Resolved | Mar 25, 2025 | - | |
| Feb 23, 2025 | - | Other | No | No | - | - | - | Resolved | Mar 25, 2025 | - | |
| Jul 13, 2024 | - | Other | No | No | - | - | - | Resolved | May 1, 2024 | - | |
| Jul 13, 2024 | - | Other | No | No | - | - | - | Resolved | May 1, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2024 | - | |
| Jan 2, 2024 | - | TT | Yes | No | - | TT | - | Resolved | Feb 14, 2025 | - | |
| Jan 2, 2024 | - | TT | Yes | No | - | TT | - | Resolved | Feb 14, 2025 | - | |
| Jan 2, 2024 | - | TT | Yes | No | - | TT | - | Resolved | Feb 14, 2025 | - | |
| Jan 2, 2024 | - | TT | Yes | No | - | TT | - | Resolved | Feb 14, 2025 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 11, 2024 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 11, 2024 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 11, 2024 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 11, 2024 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.006 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.02 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.04 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.004 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.02 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - |
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.