INDIAN KNOLL SCHOOL DIST 33
Illinois - Non-Transient Non-Community - PWSID: IL3037291
System Information
| PWSID | IL3037291 |
| System Name | INDIAN KNOLL SCHOOL DIST 33 |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jun 18, 1981 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Illinois |
| City | WEST CHICAGO |
| ZIP Code | 60185 |
| Address | 312 E FOREST AVE. |
| Organization | CADENA, FRED |
| Phone | 630-293-6020 |
Population & Service
| Population Served | 600 |
| Service Connections | 1 |
Drinking Water Violations (313)
This water system has 313 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Feb 27, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Feb 27, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Feb 27, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Feb 27, 2025 | - | |
| Feb 15, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2024 | - | |
| Feb 15, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2024 | - | |
| Feb 15, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2024 | - | |
| Feb 15, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 7, 2024 | - | |
| Feb 15, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 7, 2024 | - | |
| Feb 15, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2024 | - | |
| Jan 24, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 9, 2024 | - | |
| Jan 24, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 9, 2024 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2023 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2022 | - | |
| Oct 11, 2021 | - | MR | No | No | - | TT | - | Resolved | Apr 25, 2022 | - | |
| Oct 11, 2021 | - | MR | No | No | - | TT | - | Resolved | Apr 25, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2022 | - |
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.