Los Alamos, New Mexico Water Quality Report
Water quality data for 3 water systems serving 25,743 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 33.8 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 338% | Above guideline |
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Compliance & Violations
Active Violations (36)
71
Jul 1, 2025
71
Jul 1, 2025
52
Jul 1, 2025
52
Jul 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
72
Oct 1, 2024
71
Jul 1, 2024
52
Jul 1, 2024
52
Jul 1, 2024
20
Jan 4, 2024
20
Jan 4, 2024
72
Oct 1, 2023
71
Jul 1, 2023
72
Oct 1, 2022
71
Jul 1, 2022
72
Oct 1, 2021
71
Jul 1, 2021
72
Oct 1, 2020
71
Jul 1, 2020
Resolved Violations (464)
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
45
Oct 11, 2024
+ 459 more resolved violations
Frequently Asked Questions
Is Los Alamos tap water safe to drink?
Los Alamos'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 Los Alamos tap water?
1 contaminants have been detected in Los Alamos's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Los Alamos?
Install a water filter rated for the specific contaminants found in Los Alamos's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Los Alamos have any water quality violations?
Yes, Los Alamos currently has 50 active violations. See the violations section above for details.