Leander, Texas Water Quality Report
Water quality data for 3 water systems serving 105,038 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (14)
66
Sep 29, 2025
75
Aug 18, 2025
2A
Jun 28, 2025
2A
Jun 28, 2025
75
May 1, 2025
34
Apr 29, 2025
34
Apr 29, 2025
75
Jan 18, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
75
Apr 16, 2021
66
Dec 30, 2020
Resolved Violations (486)
27
Apr 1, 2025 — Jun 30, 2025
52
Jan 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
+ 481 more resolved violations
Frequently Asked Questions
Is Leander tap water safe to drink?
Leander's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Leander tap water?
2 contaminants have been detected in Leander's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Leander?
Install a water filter rated for the specific contaminants found in Leander's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Leander have any water quality violations?
Yes, Leander currently has 32 active violations. See the violations section above for details.