CALHOUN COUNTY RWD
Illinois — Community Water System — PWSID: IL0130010
System Information
| PWSID | IL0130010 |
| System Name | CALHOUN COUNTY RWD |
| 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 | May 31, 1995 |
| Last Reported | Dec 4, 2025 |
Location & Contact
| State | Illinois |
| City | HARDIN |
| ZIP Code | 62047 |
| Address | 16712 Illinois River Road |
| Organization | SCHULTE, JUSTINE H. |
| Phone | 618-576-2482 |
Population & Service
| Population Served | 4,675 |
| Service Connections | 1,771 |
Drinking Water Violations (20)
This water system has 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 8, 2020 | — | Public Notice | Other | No | No | — | — | — | Resolved | Sep 8, 2020 | Public Notice Rule and Revised PN Rule |
| Sep 8, 2020 | — | Public Notice | Other | No | No | — | — | — | Resolved | Sep 8, 2020 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2020 | Sep 30, 2020 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2008 | Jun 30, 2008 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2007 | Dec 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | Total Coliform Rule |
| Dec 1, 2007 | Dec 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | Total Coliform Rule |
| Dec 1, 2007 | Dec 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | Total Coliform Rule |
| Dec 1, 2007 | Dec 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | Total Coliform Rule |
| Dec 1, 2007 | Dec 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | Total Coliform Rule |
| Oct 1, 2007 | Dec 31, 2007 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | Dec 31, 2007 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | Dec 31, 2007 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | Dec 31, 2007 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
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.