1 open health-based violation on EPA record.
Serves about 523 people (208 connections) with groundwater from its own wells, and buys water from Fifty Six Waterworks.
From EPA's record for AR0000026. PurityMap is independent of Big Flat Waterworks.
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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 April 2026 | Lead and copper rule revisions | – | – | Unaddressed |
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 →Big Flat Waterworks's phone number on EPA record is 870-448-5954. Its mailing address is P.O. BOX 149, BIG FLAT, AR 72617.
According to EPA's record, Big Flat Waterworks uses groundwater from its own wells, and buys water from Fifty Six Waterworks.
EPA's record shows 1 health-based violation for Big Flat Waterworks in the 10 years to July 9, 2026. EPA's record lists 1 open health-based violation. 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 Big Flat Waterworks's latest lead and copper round, which ended in December 2003, was 4 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Big Flat Waterworks. Its phone number on EPA record is 870-448-5954. Its mailing address on EPA record is P.O. BOX 149, BIG FLAT, AR 72617. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.