JOHNSTON CITY
Illinois - Community Water System - PWSID: IL1990500
System Information
| PWSID | IL1990500 |
| System Name | JOHNSTON CITY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | JOHNSTON CITY |
| ZIP Code | 62951 |
| Address | 100 W. Broadway |
| Organization | WEST, JADE |
| Phone | 618-983-6651 |
Population & Service
| Population Served | 3,509 |
| Service Connections | 1,913 |
Drinking Water Violations (21)
This water system has 21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 19, 2025 | - | |
| Aug 22, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 19, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2024 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2018 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 21, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 21, 2011 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 29, 1981 | - |
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.