MAHOMET
Illinois - Community Water System - PWSID: IL0190450
System Information
| PWSID | IL0190450 |
| System Name | MAHOMET |
| 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 | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | MAHOMET |
| ZIP Code | 61853 |
| Address | VILLAGE OF MAHOMET |
| Organization | BROWN, PATRICK J. |
| Phone | 217-586-4456 |
Population & Service
| Population Served | 6,580 |
| Service Connections | 2,600 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 10, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 10, 2024 | - | |
| Feb 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 23, 2022 | - | |
| Feb 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 23, 2022 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2012 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2000 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1994 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Aug 26, 1994 | - | |
| Jan 1, 1994 | - | TT | Yes | No | - | TT | - | Resolved | Aug 26, 1994 | - | |
| 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.