Coushatta, Louisiana Water Quality Report
Water quality data for 9 water systems serving 13,113 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 44.6 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 446% | Above guideline |
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Compliance & Violations
Active Violations (23)
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
45
May 25, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
75
May 21, 2024
75
Mar 7, 2024
45
Dec 7, 2023
45
Dec 7, 2023
45
Sep 1, 2023
45
Sep 1, 2023
45
Sep 1, 2023
66
Nov 30, 2022
45
Jun 2, 2021
45
Jun 2, 2021
45
Jun 2, 2021
45
Jun 2, 2021
Resolved Violations (477)
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
+ 472 more resolved violations
Frequently Asked Questions
Is Coushatta tap water safe to drink?
Coushatta'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 Coushatta tap water?
1 contaminants have been detected in Coushatta's water supply across 9 water systems. See the full contaminant table above for details.
How can I improve my water quality in Coushatta?
Install a water filter rated for the specific contaminants found in Coushatta's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Coushatta have any water quality violations?
Yes, Coushatta currently has 104 active violations. See the violations section above for details.