No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2021.
Serves about 1,618 people (965 connections) with groundwater from its own wells.
From EPA's record for OK2004230. PurityMap is independent of Logan Co RWS & SWMD #3.
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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 July 2021 | Nitrate + Nitrite | 11 mg/L | – | Resolved |
| From July 2021 | Nitrate + Nitrite | 11 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 →Logan Co RWS & SWMD #3's phone number on EPA record is 580-935-6678. Its mailing address is Mike Garcia - Manager, P.O. BOX 187, MARSHALL, OK 73056-0187.
According to EPA's record, Logan Co RWS & SWMD #3 uses groundwater from its own wells.
EPA's record shows 3 health-based violations for Logan Co RWS & SWMD #3 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 July 2021. EPA also lists 2 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 Logan Co RWS & SWMD #3's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Logan Co RWS & SWMD #3. Its phone number on EPA record is 580-935-6678. Its mailing address on EPA record is Mike Garcia - Manager, P.O. BOX 187, MARSHALL, OK 73056-0187. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.