Cardinal Hill Subdivision
Published drinking-water records and contacts for Cardinal Hill Subdivision. System OK2004539. Review sources and dates; not a real-time water assessment.
- System ID
- OK2004539
- State or territory
- OK
- Published population served
- 475
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 17 — 1994-01-01 – 2024-12-31
- Oklahoma selected chemical sample panels: 15 — 2026-02-10 – 2026-05-12
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0.000406 mg/L | 2022-01-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2019-01-01 – 2021-12-31 | 2026Q3 |
| Lead (PB90) | 0.01378 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2012-07-01 – 2012-12-31 | 2026Q3 |
| Lead (PB90) | 0.00266 mg/L | 2012-01-01 – 2012-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2011-01-01 – 2011-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2003-01-01 – 2005-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | < 0.0005 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| BARIUM | 0.0816 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| CADMIUM | < 0.0005 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| CHROMIUM | 0.00059 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| FLUORIDE | 0.0949 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| MERCURY | < 0.2 µg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| NICKEL | 0.00117 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| SELENIUM | 0.00119 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| SODIUM | 8.37 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| ANTIMONY, TOTAL | < 0.0005 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| BERYLLIUM, TOTAL | < 0.0005 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
| THALLIUM, TOTAL | < 0.0005 mg/L | 2026-05-12 | POE04 / Oklahoma selected chemical sample panels |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
3 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Lead and Copper Rule Revisions / LSL Inventory | 2024-10-17 – — | Resolved | Yes | 2026Q3 |
| Lead and Copper Rule Revisions / LSL Reporting | 2024-10-17 – — | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Maximum Contaminant Level Violation, E. coli (RTCR) | 2018-10-01 – 2018-10-31 | Resolved | Yes | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- Oklahoma selected chemical sample panels — last successful check: 2026-10-16
Administrative contact (EPA filing)
Texoma Water, LLC: 580-564-7069
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.