Oklahoma City North Canadian Stp
Published drinking-water records and contacts for Oklahoma City North Canadian Stp. System OK5005561. Review sources and dates; not a real-time water assessment.
- System ID
- OK5005561
- State or territory
- OK
- Published population served
- 30
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 2 — 1996-07-01 – 2026-06-30
- Oklahoma selected chemical sample panels: 10 — 2026-02-12 – 2026-02-12
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) | 0.0006 mg/L | 2026-01-01 – 2026-06-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 1996-07-01 – 1996-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| ARSENIC | < 1 µg/L | 2026-02-12 | WL001 / Oklahoma selected chemical sample panels |
| NITRATE-NITRITE | 0.47 mg/L | 2026-02-12 | WL001 / Oklahoma selected chemical sample panels |
| NITRATE | 0.47 mg/L | 2026-02-12 | WL001 / Oklahoma selected chemical sample panels |
| NITRITE | < 0.1 mg/L | 2026-02-12 | WL001 / Oklahoma selected chemical sample panels |
| SODIUM | 18.0 mg/L | 2026-02-12 | WL001 / Oklahoma selected chemical sample panels |
| ARSENIC | < 1 µg/L | 2026-02-12 | WL002 / Oklahoma selected chemical sample panels |
| NITRATE-NITRITE | 0.33 mg/L | 2026-02-12 | WL002 / Oklahoma selected chemical sample panels |
| NITRATE | 0.33 mg/L | 2026-02-12 | WL002 / Oklahoma selected chemical sample panels |
| NITRITE | < 0.1 mg/L | 2026-02-12 | WL002 / Oklahoma selected chemical sample panels |
| SODIUM | 47.7 mg/L | 2026-02-12 | WL002 / 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
154 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 / Initial Tap Sampling for Pb and Cu | 2026-01-01 – — | Unaddressed | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2026-01-01 – 2026-03-31 | Archived | 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
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.