CENTRALIA
Illinois — Community Water System — PWSID: IL1214220
System Information
| PWSID | IL1214220 |
| System Name | CENTRALIA |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Dec 4, 2025 |
Location & Contact
| State | Illinois |
| City | CENTRALIA |
| ZIP Code | 62801 |
| Address | 101 S LOCUST |
| Organization | MAHLE, GALEN |
| Phone | 618-533-7625 |
Population & Service
| Population Served | 12,182 |
| Service Connections | 5,900 |
Drinking Water Violations (9)
This water system has 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 11, 2024 | — | Public Notice | Other | No | No | — | — | — | Resolved | Mar 29, 2024 | Public Notice Rule and Revised PN Rule |
| Jul 11, 2024 | — | Public Notice | Other | No | No | — | — | — | Resolved | Mar 29, 2024 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2023 | Jun 30, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 | Jun 30, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 | Jun 30, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 | Jun 30, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chloramine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 15, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chloramine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 15, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 30, 1977 | Jun 29, 1981 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | Radionuclides and Revised Rad 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.