Mcallen, TX water quality
Mcallen, TX is served by 1 public water system, serving 189,957 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is A.
Water systems serving Mcallen
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Is Mcallen, TX tap water safe to drink?
1 public water system serve Mcallen, TX, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is A.
Does Mcallen's water have lead in it?
The most recent 90th-percentile lead sample is 2.3 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Mcallen's water?
These systems were tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Other cities in Texas
See all of Texas →Source: EPA SDWIS/ECHO · Data as of 2026Q2