League City, Texas Water Quality Report
Water quality data for 4 water systems serving 128,745 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 15.5 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 155% | Above guideline |
| PFBA | 0.032 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.004 | 0.010 ug/L | 0.001 ug/L(EWG) | 45% | Within limit |
| PFOS | 0.005 | 0.004 ug/L | 0.300 ug/L(EWG) | 120% | Above limit |
| PFPeA | 0.102 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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 (1)
75
May 15, 2025
Resolved Violations (499)
02
Jul 1, 2025 — Sep 30, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
+ 494 more resolved violations
Frequently Asked Questions
Is League City tap water safe to drink?
League City's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in League City tap water?
7 contaminants have been detected in League City's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in League City?
Install a water filter rated for the specific contaminants found in League City's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does League City have any water quality violations?
Yes, League City currently has 86 active violations. See the violations section above for details.