ROCKDALE
Illinois - Community Water System - PWSID: IL1970850
System Information
| PWSID | IL1970850 |
| System Name | ROCKDALE |
| 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 | ROCKDALE |
| ZIP Code | 60436 |
| Address | 79 Moen Avenue |
| Organization | SENNYES, FRANK |
| Phone | 815-725-8937 |
Population & Service
| Population Served | 2,012 |
| Service Connections | 945 |
Drinking Water Violations (343)
This water system has 343 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 11, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Oct 11, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Apr 20, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Sep 29, 2022 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 4, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 4, 2022 | - | |
| Jan 13, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 26, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 26, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 13, 2016 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 13, 2016 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 5, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 5, 2013 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | 6 PCI/L | 5 pCi/L | 5 | Resolved | Dec 31, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 18 PCI/L | 15 pCi/L | 15 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 18 PCI/L | 15 pCi/L | 15 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 18 PCI/L | 15 pCi/L | 15 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 18 PCI/L | 15 pCi/L | 15 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 18 PCI/L | 15 pCi/L | 15 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | 5 | Resolved | Sep 30, 2009 | - |
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.