MATTESON
Illinois - Community Water System - PWSID: IL0311800
System Information
| PWSID | IL0311800 |
| System Name | MATTESON |
| 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 | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | MATTESON |
| ZIP Code | 60443 |
| Address | 4900 VILLAGE COMMONS |
| Organization | HARDIN, GORDON |
| Phone | 708-748-1411 |
Population & Service
| Population Served | 18,293 |
| Service Connections | 6,692 |
Drinking Water Violations (39)
This water system has 39 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 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Aug 13, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Aug 13, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Aug 13, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| Aug 13, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 26, 2024 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | No | - | - | - | Resolved | May 31, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 26, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 26, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 26, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 26, 2023 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 12, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 12, 2021 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2019 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1995 | - | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 29, 1981 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.