No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2021.
Serves about 950 people (622 connections) with surface water from its own intake, and buys water from Ketchum PWA.
From EPA's record for OK1021604. PurityMap is independent of Langley.
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11 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From June 2025 | Surface Water Treatment Rule | – | – | Resolved |
| Jan–Mar 2021 | Haloacetic acids (HAA5) | 0.063 mg/L | 0.060 mg/L | Archived |
| Oct–Dec 2020 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2020 | Haloacetic acids (HAA5) | 0.069 mg/L | 0.060 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.089 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2020 | Haloacetic acids (HAA5) | 0.071 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.084 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
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Follow this water →Langley's phone number on EPA record is 918-782-2776. Its mailing address is Dee Ann Grapevine, Mayor, P.O. BOX 760, LANGLEY, OK 74350.
According to EPA's record, Langley uses surface water from its own intake, and buys water from Ketchum PWA.
EPA's record shows 11 health-based violations for Langley in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting January 2021. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Langley's latest lead and copper round, which ended in December 2024, was 1.3 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Langley. Its phone number on EPA record is 918-782-2776. Its mailing address on EPA record is Dee Ann Grapevine, Mayor, P.O. BOX 760, LANGLEY, OK 74350. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.