SANDWICH
Illinois - Community Water System - PWSID: IL0374850
System Information
| PWSID | IL0374850 |
| System Name | SANDWICH |
| 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 | SANDWICH |
| ZIP Code | 60548 |
| Address | CITY OF SANDWICH |
| Organization | LATHAM, TODD |
| Phone | 815-786-9321 |
Population & Service
| Population Served | 7,156 |
| Service Connections | 2,777 |
Drinking Water Violations (48)
This water system has 48 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 | - | - | - | Resolved | Jul 2, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 2, 2025 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | Yes | - | - | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | Yes | - | - | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | Yes | - | - | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1998 | Jul 6, 2000 | MCL | Yes | No | 7.7 | 5 pCi/L | - | Resolved | Jul 6, 2000 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1997 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1997 | - | |
| Oct 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jun 1, 1995 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1993 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1993 | - | |
| Jan 1, 1993 | Jan 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1993 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Mar 31, 1992 | - | |
| Jul 1, 1990 | Sep 30, 1990 | MCL | Yes | No | 5.9 | 0.005 mg/L | - | Archived | Sep 30, 1990 | - | |
| Jul 1, 1990 | Sep 30, 1990 | MCL | Yes | No | 5.9 | 0.005 mg/L | - | Archived | Sep 30, 1990 | - | |
| Apr 1, 1990 | Jun 30, 1990 | MCL | Yes | No | 5.9 | 0.005 mg/L | - | Archived | Jun 30, 1990 | - | |
| Apr 1, 1990 | Jun 30, 1990 | MCL | Yes | No | 5.9 | 0.005 mg/L | - | Archived | Jun 30, 1990 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1989 | - | |
| Apr 1, 1989 | Jun 30, 1989 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 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 | - | - | - | - | - | - | |
| - | - | - | 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.