No open health-based violations on EPA record in the last 10 years.
Serves about 1,500 people (621 connections) with surface water from its own intake.
From EPA's record for OK1221645. PurityMap is independent of South Delaware Co Regional Water Auth..
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3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2024 | Lead and copper rule revisions | – | – | Resolved |
| From March 2024 | Surface Water Treatment Rule | – | – | Resolved |
| From December 2022 | Interim Enhanced Surface Water Treatment Rule | – | – | 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 →South Delaware Co Regional Water Auth.'s phone number on EPA record is 479-957-0586. Its mailing address is Don Wilcoxen, Chairman, P.O. Box 8, KANSAS, OK 74347.
According to EPA's record, South Delaware Co Regional Water Auth. uses surface water from its own intake.
EPA's record shows 3 health-based violations for South Delaware Co Regional Water Auth. in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 34 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in South Delaware Co Regional Water Auth.'s latest lead and copper round, which ended in December 2024, was 1.8 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for South Delaware Co Regional Water Auth.. Its phone number on EPA record is 479-957-0586. Its mailing address on EPA record is Don Wilcoxen, Chairman, P.O. Box 8, KANSAS, OK 74347. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.