MARK
Illinois - Community Water System - PWSID: IL1550250
System Information
| PWSID | IL1550250 |
| System Name | MARK |
| 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 | MARK |
| ZIP Code | 61340 |
| Address | VILLAGE OF MARK |
| Organization | NIEWINSKI, FRANK |
| Phone | 815-339-2454 |
Population & Service
| Population Served | 555 |
| Service Connections | 265 |
Drinking Water Violations (180)
This water system has 180 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, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2024 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2024 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2024 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2024 | - | |
| Jul 6, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2022 | - | |
| Jul 6, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .098 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | 5 | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | 5 | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | 5 | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | 5 | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | 5 | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | 5 | Resolved | Sep 30, 2004 | - | |
| Apr 10, 2004 | - | Other | No | No | - | - | - | Resolved | Apr 30, 2004 | - | |
| Apr 10, 2004 | - | Other | No | No | - | - | - | Resolved | Apr 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Jun 30, 2004 | - | |
| Jan 9, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2004 | - | |
| Jan 9, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2004 | - | |
| Jan 9, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2004 | - | |
| Jan 9, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Mar 31, 2004 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2003 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2003 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2003 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2003 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2003 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2003 | Sep 30, 2003 | MCL | Yes | No | 12.4 | 5 pCi/L | - | Resolved | Sep 30, 2003 | - |
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.