San Juan, Texas Water Quality Report
Water quality data for 1 water system serving 30,000 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 49.8 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 498% | Above guideline |
| PFBA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHpA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.004 | 0.010 ug/L | 0.001 ug/L(EWG) | 39% | Within limit |
| PFOS | 0.004 | 0.004 ug/L | 0.300 ug/L(EWG) | 113% | Above limit |
| PFPeA | 0.009 | 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 (7)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (29)
27
Sep 1, 2017 — Sep 30, 2017
27
Sep 1, 2017 — Sep 30, 2017
27
Sep 1, 2017 — Sep 30, 2017
27
Sep 1, 2017 — Sep 30, 2017
75
Feb 3, 2017
+ 24 more resolved violations
Frequently Asked Questions
Is San Juan tap water safe to drink?
San Juan'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 San Juan tap water?
7 contaminants have been detected in San Juan's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in San Juan?
Install a water filter rated for the specific contaminants found in San Juan's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does San Juan have any water quality violations?
Yes, San Juan currently has 7 active violations. See the violations section above for details.