MOKENA
Illinois — Community Water System — PWSID: IL1970600
System Information
| PWSID | IL1970600 |
| System Name | MOKENA |
| 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 | Dec 4, 2025 |
Location & Contact
| State | Illinois |
| City | MOKENA |
| ZIP Code | 60448 |
| Address | 11004 Carpenter St |
| Organization | METANIAS, GEORGE J. |
| Phone | 708-479-3900 |
Population & Service
| Population Served | 19,887 |
| Service Connections | 7,353 |
Drinking Water Violations (35)
This water system has 35 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, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jul 1, 2024 | Sep 30, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Sep 30, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 1, 2021 | Mar 31, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Mar 31, 2021 | Revised Total Coliform Rule |
| Mar 1, 2021 | Mar 31, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Mar 31, 2021 | Revised Total Coliform Rule |
| Mar 1, 2021 | Mar 31, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Mar 31, 2021 | Revised Total Coliform Rule |
| Mar 1, 2021 | Mar 31, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Mar 31, 2021 | Revised Total Coliform Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 30, 2018 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 30, 2018 | Consumer Confidence Rule |
| Jul 1, 2012 | Jul 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | Total Coliform Rule |
| Jul 1, 2012 | Jul 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | Total Coliform Rule |
| Jul 1, 2012 | Jul 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | Total Coliform Rule |
| Jul 1, 2012 | Jul 31, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1996 | Total Coliform Rule |
| Apr 1, 1993 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 26, 1994 | Lead and Copper Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
| Jun 30, 1977 | Jun 29, 1981 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | Radionuclides and Revised Rad Rule |
| — | — | — | 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.