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Sierra Madre · Los Angeles County · tap water report

Sierra Madre tap water quality report.

Sierra Madre tap water: lead not detected, 0 health-based EPA violations on record. Plain-English report and a free home water test.

Measured EPA results for Sierra Madre-City, Water Dept.

  • Lead (90th percentile): not detected, the 2021 to 2023 monitoring period (federal action level 0.015 mg/L)

3 measured results on file across every sampling period the EPA publishes.

EPA compliance record

Sierra Madre-City, Water Dept. (PWSID CA1910148) has no violations in the EPA Safe Drinking Water Information System.

Common questions about Sierra Madre tap water

Is Sierra Madre tap water safe to drink?

Sierra Madre-City, Water Dept. 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.

Does Sierra Madre water have lead in it?

Sierra Madre-City, Water Dept.'s most recent Lead and Copper Rule result, from the 2021 to 2023 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.

Has Sierra Madre-City, Water Dept. had EPA violations?

No. The EPA Safe Drinking Water Information System lists no violations for this system.

Where does Sierra Madre's water come from?

Sierra Madre-City, Water Dept. serves about 11,000 people in Los Angeles County and relies mainly on surface water. It is public water system CA1910148.

How do I find out what is in the water inside my home?

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.

Free local water test

See your own water in person before spending money on treatment.

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.

Text 949-414-9944 for a free water test

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