ANDOVER
Illinois — Community Water System — PWSID: IL0730100
System Information
| PWSID | IL0730100 |
| System Name | ANDOVER |
| 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 | ANDOVER |
| ZIP Code | 61233 |
| Address | Village of Andover |
| Organization | MIELKE, MIKE |
| Phone | 309-949-2021 |
Population & Service
| Population Served | 565 |
| Service Connections | 250 |
Drinking Water Violations (314)
This water system has 314 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, 2005 | — | Other | No | No | — | — | — | Resolved | Jun 27, 2006 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | Jun 27, 2006 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 1 mg/L | — | Archived | Dec 31, 2007 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 25, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 25, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 25, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 25, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2004 | — |
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.