No open health-based violations on EPA record in the last 10 years.
Serves about 750 people (373 connections) with surface water bought from South Delaware Co Regional Water Auth..
From EPA's record for OK3002157. PurityMap is independent of Delaware Co Rwsg&swm District 11.
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1 health-based violation 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 |
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 →Delaware Co Rwsg&swm District 11's phone number on EPA record is 918-868-2277. Its mailing address is Bruce Davis, Chairmain, P.O. BOX 189, TWIN OAKS, OK 74318.
According to EPA's record, Delaware Co Rwsg&swm District 11 uses surface water bought from South Delaware Co Regional Water Auth..
EPA's record shows 1 health-based violation for Delaware Co Rwsg&swm District 11 in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 18 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Delaware Co Rwsg&swm District 11's latest lead and copper round, which ended in December 2022. The federal action level is 15 µg/L.
PurityMap has no verified website for Delaware Co Rwsg&swm District 11. Its phone number on EPA record is 918-868-2277. Its mailing address on EPA record is Bruce Davis, Chairmain, P.O. BOX 189, TWIN OAKS, OK 74318. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.