Las Vegas, Nevada Water Quality Report
Water quality data for 70 water systems serving 1,576,837 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (66)
45
Sep 19, 2025
45
Sep 10, 2025
45
Sep 10, 2025
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
51
Jul 1, 2025
51
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 5, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Jan 4, 2025
45
Dec 31, 2024
45
Dec 31, 2024
45
Dec 31, 2024
45
Dec 31, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
34
Oct 9, 2024
34
Oct 9, 2024
72
Oct 1, 2024
72
Oct 1, 2024
72
Oct 1, 2024
72
Oct 1, 2024
45
Jul 27, 2024
45
Jul 27, 2024
45
Jul 27, 2024
45
Jul 27, 2024
71
Jul 1, 2024
52
Jun 1, 2024
52
Jun 1, 2024
52
Jun 1, 2024
72
Oct 2, 2023
75
May 1, 2023
72
Oct 2, 2022
72
Jul 1, 2022
Resolved Violations (934)
3A
Aug 1, 2025 — Aug 31, 2025
4H
Jul 2, 2025
3A
Jul 1, 2025 — Jul 31, 2025
3A
Jul 1, 2025 — Sep 30, 2025
3A
Jul 1, 2025 — Jul 31, 2025
+ 929 more resolved violations
Frequently Asked Questions
Is Las Vegas tap water safe to drink?
Las Vegas's water meets all EPA maximum contaminant levels. However, 3 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Las Vegas tap water?
3 contaminants have been detected in Las Vegas's water supply across 70 water systems. See the full contaminant table above for details.
How can I improve my water quality in Las Vegas?
Install a water filter rated for the specific contaminants found in Las Vegas's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Las Vegas have any water quality violations?
Yes, Las Vegas currently has 537 active violations. See the violations section above for details.