VERNON HILLS - LAKE CO PW
Illinois - Community Water System - PWSID: IL0971750
System Information
| PWSID | IL0971750 |
| System Name | VERNON HILLS - LAKE CO PW |
| 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 | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | LIBERTYVILLE |
| ZIP Code | 60048 |
| Address | 650 WEST WINCHESTER ROAD |
| Organization | MCFARLANE, AUSTIN |
| Phone | 847-377-7134 |
Population & Service
| Population Served | 33,207 |
| Service Connections | 11,069 |
Drinking Water Violations (64)
This water system has 64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2013 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1995 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1994 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 1, 1989 | Nov 30, 1993 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Jun 30, 1992 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Dec 9, 1985 | Dec 8, 1989 | MCL | Yes | No | 9.4 | 5 pCi/L | - | Resolved | Dec 8, 1989 | - | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 29, 1981 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.