OLMSTED
Illinois - Community Water System - PWSID: IL1530250
System Information
| PWSID | IL1530250 |
| System Name | OLMSTED |
| 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 | OLMSTED |
| ZIP Code | 62970 |
| Address | 150 N Front St |
| Organization | WEST, ANGEL |
| Phone | 618-742-6487 |
Population & Service
| Population Served | 435 |
| Service Connections | 217 |
Drinking Water Violations (78)
This water system has 78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2020 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2020 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2020 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 18, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 18, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 18, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 18, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Aug 1, 2017 | Jul 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2020 | - | |
| Jan 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2017 | - | |
| Jan 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2017 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2005 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2002 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 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 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1995 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - |
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.