MARKHAM
Illinois - Community Water System - PWSID: IL0311770
System Information
| PWSID | IL0311770 |
| System Name | MARKHAM |
| 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 | MARKHAM |
| ZIP Code | 60428 |
| Address | CITY HALL - PUBLIC WORKS |
| Organization | VAUGHT, MELISSA |
| Phone | 708-331-4905 |
Population & Service
| Population Served | 12,500 |
| Service Connections | 4,138 |
Drinking Water Violations (150)
This water system has 150 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 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2023 | - | |
| Jun 15, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2024 | - | |
| Jun 15, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2024 | - | |
| Jun 15, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2024 | - | |
| Jun 15, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 20, 2024 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | No | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | No | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | No | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | No | - | - | - | Resolved | May 31, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 23, 2022 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 29, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 29, 2021 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 19, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 19, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 19, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 19, 2013 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 8, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 8, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 21, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Jan 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 21, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Jan 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2011 | - | |
| Jan 1, 2011 | Jan 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2011 | - | |
| Jan 1, 2011 | Jan 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 21, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 21, 2011 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2007 | - |
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.