No health-based violations on EPA record since 2016.
Serves about 1,034 people (431 connections) with groundwater from its own wells, and buys water from Lawrence Co Reg Water Dist.
From EPA's record for AR0000302. PurityMap is independent of Black Rock Waterworks.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
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 →Black Rock Waterworks's phone number on EPA record is 870-878-6792. Its mailing address is 491 ELM ST., BLACK ROCK, AR 72415.
According to EPA's record, Black Rock Waterworks uses groundwater from its own wells, and buys water from Lawrence Co Reg Water Dist.
No health-based violations on EPA record since 2016. 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 Black Rock Waterworks's latest lead and copper round, which ended in December 2003, was 6 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Black Rock Waterworks. Its phone number on EPA record is 870-878-6792. Its mailing address on EPA record is 491 ELM ST., BLACK ROCK, AR 72415. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.