WYNSTONE WATER COMPANY
Illinois — Community Water System — PWSID: IL0970080
System Information
| PWSID | IL0970080 |
| System Name | WYNSTONE WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 13, 1988 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | GENEVA |
| ZIP Code | 60134 |
| Address | SHEAFFER & ROLAND, INC. |
| Organization | FOWLER, JASON C. |
| Phone | 630-208-9898 |
Population & Service
| Population Served | 1,424 |
| Service Connections | 443 |
Drinking Water Violations (318)
This water system has 318 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, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Aug 19, 2024 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Aug 19, 2024 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Dec 19, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Dec 19, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Dec 19, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Dec 19, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Dec 19, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Dec 19, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MCL | Yes | No | 10 PCI/L | 5 pCi/L | 5 | Resolved | Jun 30, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 9 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 9 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 9 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 9 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 9 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 9 PCI/L | 5 pCi/L | 5 | Resolved | Mar 31, 2007 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 7 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Jun 30, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | — | Resolved | Mar 31, 2006 | — |
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.