Haloacetic acids (HAA5) above the legal limit in the period starting January 2026.
Serves about 1,555 people (872 connections) with surface water bought from Louisa County Water Authority.
From EPA's record for VA2109450. PurityMap is independent of Town of Louisa.
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11 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) | 67 µg/L | 0.060 mg/L | Archived |
| Oct–Dec 2025 | Haloacetic acids (HAA5) | 72 µg/L | 0.060 mg/L | Archived |
| Jul–Sep 2025 | Haloacetic acids (HAA5) | 69 µg/L | 0.060 mg/L | Archived |
| Oct–Dec 2017 | Haloacetic acids (HAA5) | 66 µg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2017 | Haloacetic acids (HAA5) | 0.076 mg/L | 0.060 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2017 | Haloacetic acids (HAA5) | 81 µg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 83 µg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2017 | Haloacetic acids (HAA5) | 0.083 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2016 | Haloacetic acids (HAA5) | 0.084 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 0.083 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.
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Follow this water →Town of Louisa's phone number on EPA record is 540-603-6147. Its mailing address is 219 East Main Street, P.O. Box 531, LOUISA, VA 23093.
According to EPA's record, Town of Louisa uses surface water bought from Louisa County Water Authority.
EPA's record shows 11 health-based violations for Town of Louisa in the 10 years to July 9, 2026. Haloacetic acids (HAA5) were above the legal limit in the period starting January 2026. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Town of Louisa'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 Town of Louisa. Its phone number on EPA record is 540-603-6147. Its mailing address on EPA record is 219 East Main Street, P.O. Box 531, LOUISA, VA 23093. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.