Mandeville, Louisiana Water Quality Report
Water quality data for 39 water systems serving 69,209 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 21.4 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 214% | Above guideline |
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Compliance & Violations
Active Violations (16)
45
Jul 15, 2025
45
Jul 15, 2025
45
Jul 15, 2025
45
Jul 15, 2025
45
Jul 15, 2025
45
Jul 15, 2025
66
Nov 10, 2023
75
Aug 15, 2023
45
Jun 11, 2023
45
Jun 11, 2023
75
Nov 17, 2021
75
Mar 15, 2019
75
Mar 15, 2019
2C
Jul 19, 2018
2C
Jul 19, 2018
2C
Jul 19, 2018
Resolved Violations (484)
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
+ 479 more resolved violations
Frequently Asked Questions
Is Mandeville tap water safe to drink?
Mandeville'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 Mandeville tap water?
1 contaminants have been detected in Mandeville's water supply across 39 water systems. See the full contaminant table above for details.
How can I improve my water quality in Mandeville?
Install a water filter rated for the specific contaminants found in Mandeville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Mandeville have any water quality violations?
Yes, Mandeville currently has 168 active violations. See the violations section above for details.