Haloacetic acids (HAA5) above the legal limit in the period starting January 2026.
Serves about 123 people (49 connections) with surface water bought from Henry County PWSD 4.
From EPA's record for MO1010076. PurityMap is independent of Blairstown PWS.
Are you this utility? Correct this listing →
2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Haloacetic acids (HAA5) | 62 µg/L | 0.060 mg/L | Archived |
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 86 µg/L | 0.080 mg/L | 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.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
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.
Get PurityMap updates about this water system.
Follow this water →Blairstown PWS's phone number on EPA record is 660-498-3518. Its mailing address is 117 N MAIN ST, PO BOX 109, BLAIRSTOWN, MO 64726-0000.
According to EPA's record, Blairstown PWS uses surface water bought from Henry County PWSD 4.
EPA's record shows 2 health-based violations for Blairstown PWS in the 10 years to July 9, 2026. Haloacetic acids (HAA5) were above the legal limit in the period starting January 2026. EPA also lists 6 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Blairstown PWS's latest lead and copper round, which ended in December 2025, was 0.72 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Blairstown PWS. Its phone number on EPA record is 660-498-3518. Its mailing address on EPA record is 117 N MAIN ST, PO BOX 109, BLAIRSTOWN, MO 64726-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.