Stonewall Pwa
Published drinking-water records and contacts for Stonewall Pwa. System OK2006203. Review sources and dates; not a real-time water assessment.
- System ID
- OK2006203
- State or territory
- OK
- Published population served
- 465
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 18 — 1994-01-01 – 2026-06-30
- Oklahoma selected chemical sample panels: 13 — 2026-01-13 – 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) | 0.00125 mg/L | 2026-01-01 – 2026-06-30 | 2026Q3 |
| Lead (PB90) | 0.000543 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.0132 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.00397 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.00483 mg/L | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0.0131 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Lead (PB90) | 0.0032 mg/L | 2012-01-01 – 2012-12-31 | 2026Q3 |
| Lead (PB90) | 0.00335 mg/L | 2011-01-01 – 2011-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | < 0.0005 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| BARIUM | 0.00374 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| CADMIUM | < 0.0005 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| CHROMIUM | < 0.0005 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| FLUORIDE | 0.335 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| MERCURY | < 0.2 µg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| NICKEL | 0.00112 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| SELENIUM | < 0.0005 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| SODIUM | 19.9 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| ANTIMONY, TOTAL | < 0.0005 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| BERYLLIUM, TOTAL | < 0.0005 mg/L | 2026-05-12 | EP001 / Oklahoma selected chemical sample panels |
| THALLIUM, TOTAL | < 0.0005 mg/L | 2026-05-12 | EP001 / 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
9 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 / Follow-up Or Routine LCR Tap M/R | 2025-10-01 – — | Unaddressed | No | 2026Q3 |
| 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 |
| Ground Water Rule / Monitoring, Source Water (GWR) | 2021-08-10 – — | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2021-03-01 – 2021-03-31 | Resolved | No | 2026Q3 |
| Ground Water Rule / Monitoring, Source Water (GWR) | 2021-02-10 – — | Resolved | No | 2026Q3 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2021-01-01 – 2021-03-31 | Resolved | No | 2026Q3 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2020-04-01 – 2020-06-30 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2020-04-01 – 2020-04-30 | Resolved | No | 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)
Stonewall Pwa: 405-514-7820
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.