Grand Coteau, Louisiana Water Quality Report
Water quality data for 1 water system serving 1,650 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (45)
45
Mar 3, 2025
45
Mar 3, 2025
45
Mar 3, 2025
45
Mar 3, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
45
Jul 12, 2022
75
Jul 24, 2020
75
Jul 24, 2020
75
Jul 24, 2020
45
Jun 15, 2020
45
Jun 15, 2020
45
Jun 15, 2020
45
Jun 15, 2020
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (152)
52
Jan 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
66
Sep 4, 2024
+ 147 more resolved violations
Frequently Asked Questions
Is Grand Coteau tap water safe to drink?
Grand Coteau's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Grand Coteau tap water?
0 contaminants have been detected in Grand Coteau's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Grand Coteau?
Install a water filter rated for the specific contaminants found in Grand Coteau's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Grand Coteau have any water quality violations?
Yes, Grand Coteau currently has 45 active violations. See the violations section above for details.