No open health-based violations on EPA record in the last 10 years.
Serves about 3,249 people (1,083 connections) with groundwater from its own wells.
From EPA's record for LA1099028. PurityMap is independent of St Martin Water Works District 3.
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5 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From August 2021 | Groundwater Rule | – | – | Resolved |
| From August 2021 | Groundwater Rule | – | – | Resolved |
| From August 2021 | Groundwater Rule | – | – | Resolved |
| From February 2019 | Groundwater Rule | – | – | Resolved |
| From February 2019 | Groundwater Rule | – | – | 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 →St Martin Water Works District 3's phone number on EPA record is 337-523-6718. Its mailing address is ST. MARTIN PARISH GOVERNMENT, P.O. Box 9, ST. MARTINVILLE, LA 70582.
According to EPA's record, St Martin Water Works District 3 uses groundwater from its own wells.
EPA's record shows 5 health-based violations for St Martin Water Works District 3 in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 7 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in St Martin Water Works District 3's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for St Martin Water Works District 3. Its phone number on EPA record is 337-523-6718. Its mailing address on EPA record is ST. MARTIN PARISH GOVERNMENT, P.O. Box 9, ST. MARTINVILLE, LA 70582. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.