Total trihalomethanes (TTHM) above the legal limit in the period starting October 2025.
Serves about 548 people (219 connections) with surface water bought from Scranton Waterworks and Subiaco Academy Waterworks.
From EPA's record for AR0000135. PurityMap is independent of Subiaco City Waterworks.
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10 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 90 µg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 88 µg/L | 0.080 mg/L | Archived |
| Apr–Jun 2020 | Haloacetic acids (HAA5) | 62 µg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 93 µg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 93 µg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From March 2020 | Haloacetic acids (HAA5) | 62 µg/L | 0.060 mg/L | Resolved |
| From March 2020 | Total trihalomethanes (TTHM) | 95 µg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 94 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 86 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 89 µg/L | 0.080 mg/L | Resolved |
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 →Subiaco City Waterworks's phone number on EPA record is 479-934-4306. Its mailing address is PO BOX 103, SUBIACO, AR 72865.
According to EPA's record, Subiaco City Waterworks uses surface water bought from Scranton Waterworks and Subiaco Academy Waterworks.
EPA's record shows 10 health-based violations for Subiaco City Waterworks in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting October 2025. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Subiaco City Waterworks's latest lead and copper round, which ended in December 2004, was 3 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Subiaco City Waterworks. Its phone number on EPA record is 479-934-4306. Its mailing address on EPA record is PO BOX 103, SUBIACO, AR 72865. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.