JOHNSONS MOUND FOREST PRESERVE (31021)
Illinois - Transient Non-Community - PWSID: IL3031021
System Information
| PWSID | IL3031021 |
| System Name | JOHNSONS MOUND FOREST PRESERVE (31021) |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 18, 1982 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Illinois |
| City | West Chicago |
| ZIP Code | 60185 |
| Address | 245 West Roosevelt Road Bldg# 5 |
| Organization | OConnor, Joe |
| Phone | - |
Population & Service
| Population Served | 100 |
| Service Connections | 1 |
Drinking Water Violations (52)
This water system has 52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 16, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Feb 16, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Feb 16, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Feb 16, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 21, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| May 2, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| May 2, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| May 2, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Jan 24, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 22, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 7, 2023 | - | |
| Jul 22, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 7, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Sep 10, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2023 | - | |
| Sep 10, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2023 | - | |
| Jul 23, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2023 | - | |
| Jul 23, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2023 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jul 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Jul 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Jul 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2023 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 23, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 23, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 23, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - |
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.