ST. JOHN MUNICIPAL WATER UTILITY
Indiana — Community Water System — PWSID: IN5245043
System Information
| PWSID | IN5245043 |
| System Name | ST. JOHN MUNICIPAL WATER UTILITY |
| 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 | Jan 21, 1981 |
| Last Reported | Feb 12, 2026 |
Location & Contact
| State | Indiana |
| City | ST. JOHN |
| ZIP Code | 46373 |
| Address | 9350 Hack Street |
| Organization | ANDERKO, TAMMY |
| Phone | 219-365-4655 |
Population & Service
| Population Served | 25,700 |
| Service Connections | 9,765 |
Drinking Water Violations (100)
This water system has 100 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | — | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | — | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | — | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 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.