HAMILTON COUNTY WATER DISTRICT
Illinois — Community Water System — PWSID: IL0651000
System Information
| PWSID | IL0651000 |
| System Name | HAMILTON COUNTY WATER DISTRICT |
| 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 | Dec 23, 1986 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | MCLEANSBORO |
| ZIP Code | 62859 |
| Address | PO BOX 220 |
| Organization | HARMON, DAVID G. |
| Phone | 619-643-4744 |
Population & Service
| Population Served | 3,958 |
| Service Connections | 1,583 |
Drinking Water Violations (19)
This water system has 19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | May 31, 2021 | — | |
| Mar 1, 2021 | May 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | May 31, 2021 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — |
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.