SHERIDAN GRADE SCHOOL
Illinois - Non-Transient Non-Community - PWSID: IL3003145
System Information
| PWSID | IL3003145 |
| System Name | SHERIDAN GRADE SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jun 18, 1981 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Illinois |
| City | NEW LENOX |
| ZIP Code | 60451 |
| Address | 2825 SHEFFIELD |
| Organization | CHENEY, ADAM |
| Phone | 815-423-7412 |
Population & Service
| Population Served | 227 |
| Service Connections | 1 |
Drinking Water Violations (200)
This water system has 200 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 4, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Mar 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 10, 2023 | - | |
| Mar 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 10, 2023 | - | |
| Mar 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 10, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 3, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Mar 3, 2023 | - | |
| Jun 14, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| Jun 14, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| Jun 14, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| Jun 14, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| May 17, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| May 17, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| May 17, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| May 17, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 25, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 25, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - |
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.