La Puente · Los Angeles County · tap water report
La Puente tap water: lead not detected, 0 health-based EPA violations on record for La Puente Valley CWD. Plain-English report and a free home water test.
6 measured results on file across every sampling period the EPA publishes.
La Puente Valley CWD (PWSID CA1910060) has no violations in the EPA Safe Drinking Water Information System.
La Puente Valley CWD has no health-based EPA violations in the last three years. Its measured lead results are listed on this page. What your own plumbing adds is a separate question, which is what the free in-home test answers.
La Puente Valley CWD's most recent Lead and Copper Rule result, from the 2026 to 2028 monitoring period, found no detectable lead at the 90th percentile of tested homes. The federal action level is 0.015 mg/L, so the system result sits under it. Lead usually enters water from a home's own pipes and fixtures, so a single house can differ from the system figure.
No. The EPA Safe Drinking Water Information System lists no violations for this system.
La Puente Valley CWD serves about 8,276 people in Los Angeles County and relies mainly on ground water. It is public water system CA1910060.
Text 949-414-9944 for a free water test. A local FilteredWTR tech screens the water at your own faucet for hardness, chlorine and sediment and explains each reading while you watch. The visit is free, and afterward the decision stays yours.
A local FilteredWTR tech screens the water at your faucet for hardness, chlorine and sediment and explains each reading while you watch. The visit is free, and afterward the decision stays yours.
The fix for La Puente water · Where La Puente's water comes from · Whole-home water treatment explained · Los Angeles County · All cities