Total trihalomethanes (TTHM) above the legal limit in the period starting October 2025.
Serves about 1,204 people (428 connections) with surface water from its own intake, and buys water from Danville Waterworks.
From EPA's record for AR0000604. PurityMap is independent of Ola Waterworks.
Are you this utility? Correct this listing →
7 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) | 81 µg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 83 µg/L | 0.080 mg/L | Archived |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 85 µg/L | 0.080 mg/L | Archived |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 84 µg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 87 µg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 81 µg/L | 0.080 mg/L | Archived |
| Jul–Sep 2023 | Total trihalomethanes (TTHM) | 88 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.
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 →Ola Waterworks's phone number on EPA record is 479-489-5131. Its mailing address is P O BOX 68, OLA, AR 72853.
According to EPA's record, Ola Waterworks uses surface water from its own intake, and buys water from Danville Waterworks.
EPA's record shows 7 health-based violations for Ola Waterworks in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting October 2025. 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 Ola Waterworks's latest lead and copper round, which ended in December 2007, was 3 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Ola Waterworks. Its phone number on EPA record is 479-489-5131. Its mailing address on EPA record is P O BOX 68, OLA, AR 72853. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.