WENONA
Illinois - Community Water System - PWSID: IL1234950
System Information
| PWSID | IL1234950 |
| System Name | WENONA |
| 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 | WENONA |
| ZIP Code | 61377 |
| Address | 226 S Chestnut St |
| Organization | BADE, JANIE |
| Phone | 815-674-4768 |
Population & Service
| Population Served | 974 |
| Service Connections | 541 |
Drinking Water Violations (138)
This water system has 138 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 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jan 3, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 7, 2025 | - | |
| Jan 3, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 7, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 7, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 7, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 7, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2011 | - | |
| Jul 1, 1998 | May 20, 1999 | MCL | Yes | No | 5.8 | 5 pCi/L | - | Resolved | May 18, 1999 | - | |
| Jan 1, 1995 | - | TT | Yes | No | - | TT | - | Resolved | Sep 9, 1996 | - | |
| Jan 1, 1995 | - | TT | Yes | No | - | TT | - | Resolved | Sep 9, 1996 | - | |
| Jan 1, 1995 | - | TT | Yes | No | - | TT | - | Resolved | Sep 9, 1996 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Jan 10, 1995 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Sep 9, 1996 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1992 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MCL | Yes | No | 20.7 | 5 pCi/L | - | Resolved | Jul 27, 1993 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Jun 1, 1989 | May 31, 1993 | MCL | Yes | No | 16.7 | 15 pCi/L | - | Resolved | Aug 14, 1992 | - | |
| Jun 1, 1989 | May 31, 1993 | MCL | Yes | No | 16.7 | 15 pCi/L | - | Resolved | Aug 14, 1992 | - | |
| Jun 1, 1989 | May 31, 1993 | MCL | Yes | No | 16.7 | 15 pCi/L | - | Resolved | Aug 14, 1992 | - | |
| Jun 1, 1989 | May 31, 1993 | MCL | Yes | No | 16.7 | 15 pCi/L | - | Resolved | Aug 14, 1992 | - | |
| Jun 1, 1989 | May 31, 1993 | MCL | Yes | No | 16.7 | 15 pCi/L | - | Resolved | Aug 14, 1992 | - |
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.