WALNUT
Illinois - Community Water System - PWSID: IL0111100
System Information
| PWSID | IL0111100 |
| System Name | WALNUT |
| 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 | WALNUT |
| ZIP Code | 61376 |
| Address | PO BOX 604 |
| Organization | MINKS, CARL |
| Phone | 815-379-2351 |
Population & Service
| Population Served | 1,311 |
| Service Connections | 608 |
Drinking Water Violations (31)
This water system has 31 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 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 29, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 29, 2023 | - | |
| Jan 1, 2022 | Jun 30, 2022 | MR | No | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | MR | No | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | MR | No | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jun 30, 2022 | MR | No | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Jul 1, 2019 | Dec 31, 2019 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Jul 1, 2019 | Dec 31, 2019 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Jul 1, 2019 | Dec 31, 2019 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Jul 1, 2019 | Dec 31, 2019 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Jul 1, 2019 | Dec 31, 2019 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2019 | - | |
| Dec 30, 2017 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2018 | - | |
| Dec 30, 2017 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2018 | - | |
| Jan 2, 2010 | - | MR | No | No | - | TT | - | Resolved | Jan 20, 2010 | - | |
| Jan 2, 2010 | - | MR | No | No | - | TT | - | Resolved | Jan 20, 2010 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1998 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1998 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1998 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| 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.