No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2023.
Serves about 966 people (438 connections) with surface water bought from Mclean County Regional Water Commission.
From EPA's record for KY0750055. PurityMap is independent of Calhoun Water Works.
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16 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2023 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.098 mg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.095 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2018 | Haloacetic acids (HAA5) | 0.066 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2018 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2017 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 0.093 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2017 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2017 | Haloacetic acids (HAA5) | 0.061 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 0.086 mg/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.
Get PurityMap updates about this water system.
Follow this water →Calhoun Water Works's phone number on EPA record is 270-977-7716. Its mailing address is PO BOX 294, CALHOUN, KY 42327.
According to EPA's record, Calhoun Water Works uses surface water bought from Mclean County Regional Water Commission.
EPA's record shows 16 health-based violations for Calhoun Water Works in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting April 2023. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Calhoun Water Works's latest lead and copper round, which ended in December 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for Calhoun Water Works. Its phone number on EPA record is 270-977-7716. Its mailing address on EPA record is PO BOX 294, CALHOUN, KY 42327. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.