OAK BROOK ESTATES
Missouri - Community Water System - PWSID: MO5031481
System Information
| PWSID | MO5031481 |
| System Name | OAK BROOK ESTATES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 19, 2007 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | WALNUT SHADE |
| ZIP Code | 65771-0000 |
| Address | 501 OAKBROOK ESTATES LANE |
| Organization | HORNER, TAYLOR |
| Phone | 720-429-7398 |
Population & Service
| Population Served | 40 |
| Service Connections | 16 |
Drinking Water Violations (107)
This water system has 107 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 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 18, 2024 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 18, 2024 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 18, 2024 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 18, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 10, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 10, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2023 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | - | - | Resolved | Feb 8, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | - | - | Resolved | Feb 8, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | - | - | Resolved | Feb 8, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | - | - | Resolved | Feb 8, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | - | - | Resolved | Feb 8, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | - | - | Resolved | Feb 8, 2022 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Archived | Sep 30, 2021 | - | |
| Aug 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Aug 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Aug 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Aug 1, 2021 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Aug 1, 2021 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Aug 1, 2021 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Aug 1, 2021 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Aug 1, 2021 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Aug 1, 2021 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jan 14, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jan 14, 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.