LANARK
Illinois — Community Water System — PWSID: IL0150100
System Information
| PWSID | IL0150100 |
| System Name | LANARK |
| 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 | LANARK |
| ZIP Code | 61046 |
| Address | 111A SOUTH BROAD ST |
| Organization | ALVARADO, JASON |
| Phone | 815-493-6832 |
Population & Service
| Population Served | 1,504 |
| Service Connections | 691 |
Drinking Water Violations (23)
This water system has 23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2023 | — | RPT | No | No | — | — | — | Resolved | Dec 4, 2023 | — | |
| Sep 1, 2023 | — | RPT | No | No | — | — | — | Resolved | Dec 4, 2023 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Dec 27, 2023 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Dec 27, 2023 | — | |
| Dec 30, 2021 | — | MR | No | No | — | TT | — | Resolved | Jan 31, 2022 | — | |
| Dec 30, 2021 | — | MR | No | No | — | TT | — | Resolved | Jan 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2022 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Jul 27, 2016 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Jul 27, 2016 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2013 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Aug 1, 2013 | — | |
| Jan 2, 2010 | — | MR | No | No | — | TT | — | Resolved | May 20, 2010 | — | |
| Jan 2, 2010 | — | MR | No | No | — | TT | — | Resolved | May 20, 2010 | — | |
| Jan 2, 2010 | — | MR | No | No | — | TT | — | Resolved | May 20, 2010 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | — | |
| — | — | — | 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.