Canyon Lake, Texas Water Quality Report
Water quality data for 24 water systems serving 95,538 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 28.4 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 284% | Above guideline |
| PFBA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.006 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxS | 0.013 | 0.010 ug/L | 0.001 ug/L(EWG) | 125% | Above limit |
| PFOS | 0.005 | 0.004 ug/L | 0.300 ug/L(EWG) | 130% | Above limit |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (9)
75
Sep 20, 2025
75
May 15, 2025
75
May 1, 2024
2C
Apr 27, 2023
2C
Apr 27, 2023
2C
Apr 27, 2023
75
Dec 2, 2022
75
Dec 2, 2022
71
Jul 1, 2021
Resolved Violations (491)
3A
Sep 1, 2025 — Sep 30, 2025
43
Jul 1, 2025 — Jul 31, 2025
02
Jul 1, 2025 — Sep 30, 2025
44
Jul 1, 2025 — Jul 31, 2025
43
Jul 1, 2025 — Jul 31, 2025
+ 486 more resolved violations
Frequently Asked Questions
Is Canyon Lake tap water safe to drink?
Canyon Lake's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Canyon Lake tap water?
5 contaminants have been detected in Canyon Lake's water supply across 24 water systems. See the full contaminant table above for details.
How can I improve my water quality in Canyon Lake?
Install a water filter rated for the specific contaminants found in Canyon Lake's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Canyon Lake have any water quality violations?
Yes, Canyon Lake currently has 88 active violations. See the violations section above for details.