Lake Arthur, Louisiana Water Quality Report
Water quality data for 2 water systems serving 12,486 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 24.2 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 242% | Above guideline |
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Compliance & Violations
Active Violations (6)
4H
Jul 2, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (38)
66
Oct 15, 2024
71
Jul 1, 2022
71
Jul 1, 2022
27
Jul 1, 2010 — Sep 30, 2010
27
Jul 1, 2010 — Sep 30, 2010
+ 33 more resolved violations
Frequently Asked Questions
Is Lake Arthur tap water safe to drink?
Lake Arthur'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 Lake Arthur tap water?
1 contaminants have been detected in Lake Arthur's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lake Arthur?
Install a water filter rated for the specific contaminants found in Lake Arthur's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lake Arthur have any water quality violations?
Yes, Lake Arthur currently has 6 active violations. See the violations section above for details.