St. Martinville, Louisiana Water Quality Report
Water quality data for 4 water systems serving 13,974 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 31.5 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 315% | Above guideline |
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Compliance & Violations
Active Violations (19)
45
Jan 20, 2024
45
Jan 20, 2024
45
Jan 20, 2024
45
Nov 27, 2023
45
Nov 27, 2023
45
Nov 27, 2023
45
Nov 27, 2023
45
Nov 27, 2023
45
Nov 27, 2023
45
Feb 24, 2023
45
Feb 24, 2023
45
Feb 24, 2023
75
Aug 17, 2021
66
Jan 17, 2021
66
Jan 17, 2021
45
Feb 2, 2019
45
Feb 2, 2019
45
Feb 2, 2019
45
Feb 2, 2019
Resolved Violations (481)
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Jan 1, 2025 — Mar 31, 2025
+ 476 more resolved violations
Frequently Asked Questions
Is St. Martinville tap water safe to drink?
St. Martinville's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in St. Martinville tap water?
1 contaminants have been detected in St. Martinville's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in St. Martinville?
Install a water filter rated for the specific contaminants found in St. Martinville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does St. Martinville have any water quality violations?
Yes, St. Martinville currently has 36 active violations. See the violations section above for details.