No health-based violations on EPA record since 2016.
Serves about 1,732 people (514 connections) with groundwater bought from Boone County PWSD 4.
From EPA's record for MO3010340. PurityMap is independent of Hallsville PWS.
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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 →Hallsville PWS's phone number on EPA record is 573-696-3885. Its mailing address is 202 HIGHWAY 124 EAST, PO BOX 170, HALLSVILLE, MO 65255-0000.
According to EPA's record, Hallsville PWS uses groundwater bought from Boone County PWSD 4.
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 Hallsville PWS's latest lead and copper round, which ended in December 2025, was 2.8 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Hallsville PWS. Its phone number on EPA record is 573-696-3885. Its mailing address on EPA record is 202 HIGHWAY 124 EAST, PO BOX 170, HALLSVILLE, MO 65255-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.