CAHOKIA
Illinois - Community Water System - PWSID: IL1630200
System Information
| PWSID | IL1630200 |
| System Name | CAHOKIA |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Inactive |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Dec 7, 2021 |
Location & Contact
| State | Illinois |
| City | CAHOKIA |
| ZIP Code | 62206 |
| Address | 900 UPPER CAHOKIA ROAD |
| Organization | BRANSON, LYNN |
| Phone | 618-337-2149 |
Population & Service
| Population Served | 4,150 |
| Service Connections | 1,570 |
Drinking Water Violations (47)
This water system has 47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 28, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 28, 2021 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2018 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Sep 13, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Sep 13, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | No | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | No | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | No | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | No | - | - | - | Resolved | May 31, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 24, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 24, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 24, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 24, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 29, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 29, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 29, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 29, 2016 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2003 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2003 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
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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.