MONTGOMERY
Illinois - Community Water System - PWSID: IL0894690
System Information
| PWSID | IL0894690 |
| System Name | MONTGOMERY |
| 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 | MONTGOMERY |
| ZIP Code | 60538 |
| Address | 200 N. River Street |
| Organization | WOLF, MARK |
| Phone | 630-896-9241 |
Population & Service
| Population Served | 28,956 |
| Service Connections | 9,100 |
Drinking Water Violations (71)
This water system has 71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.04 mg/L | - | Archived | Dec 31, 2025 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1999 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Apr 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Jul 15, 1993 | - | |
| Oct 1, 1992 | - | MR | No | No | - | TT | - | Resolved | Jul 13, 1993 | - | |
| Oct 1, 1992 | - | MR | No | No | - | TT | - | Resolved | Jul 13, 1993 | - | |
| Oct 1, 1992 | - | MR | No | No | - | TT | - | Resolved | Jul 13, 1993 | - | |
| Dec 1, 1990 | Nov 30, 1994 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Aug 13, 1991 | - | |
| Dec 1, 1990 | Nov 30, 1994 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Aug 13, 1991 | - | |
| Dec 1, 1990 | Nov 30, 1994 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Aug 13, 1991 | - | |
| Dec 1, 1990 | Nov 30, 1994 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Aug 13, 1991 | - | |
| Dec 1, 1990 | Nov 30, 1994 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Aug 13, 1991 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| Dec 8, 1986 | Dec 7, 1990 | MCL | Yes | No | 11.1 | 5 pCi/L | - | Resolved | Dec 7, 1990 | - | |
| 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.