Byars
Published drinking-water records and contacts for Byars. System OK2004709. Review sources and dates; not a real-time water assessment.
- System ID
- OK2004709
- State or territory
- OK
- Published population served
- 275
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 10 — 1994-01-01 – 2025-12-31
- Oklahoma selected chemical sample panels: 13 — 2026-01-05 – 2026-05-04
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) | 0.00487 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.003 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.00049 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2010-01-01 – 2010-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2004-01-01 – 2006-12-31 | 2026Q3 |
| Lead (PB90) | 0.007 mg/L | 2001-01-01 – 2001-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | 0.000504 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| BARIUM | 0.261 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| CADMIUM | < 0.0005 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| CHROMIUM | 0.000843 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| FLUORIDE | 0.418 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| MERCURY | < 0.2 µg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| NICKEL | 0.00208 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| SELENIUM | 0.00248 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| SODIUM | 125.000 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| ANTIMONY, TOTAL | < 0.0005 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| BERYLLIUM, TOTAL | < 0.0005 mg/L | 2026-05-04 | CL001 / Oklahoma selected chemical sample panels |
| THALLIUM, TOTAL | < 0.0005 mg/L | 2026-05-04 | CL001 / 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
0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
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)
Byars: 405-783-4255
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.