No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting August 2019.
Serves about 948 people (379 connections) with surface water bought from Ozark MTN Regional PWA.
From EPA's record for AR0000815. PurityMap is independent of South Mountain Water Assn.
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2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From August 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule | – | – | Resolved |
| From August 2019 | E. coli | – | – | Archived |
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 Mountain Water Assn's phone number on EPA record is 870-221-3579. Its mailing address is 300 NIXON HTS, MARSHALL, AR 72650.
According to EPA's record, South Mountain Water Assn uses surface water bought from Ozark MTN Regional PWA.
EPA's record shows 2 health-based violations for South Mountain Water Assn 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 August 2019. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in South Mountain Water Assn's latest lead and copper round, which ended in December 2003, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for South Mountain Water Assn. Its phone number on EPA record is 870-221-3579. Its mailing address on EPA record is 300 NIXON HTS, MARSHALL, AR 72650. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.