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Pomona · Los Angeles County · tap water report

Pomona tap water quality report.

Pomona tap water: lead 0.0021 mg/L, 0 health-based EPA violations on record for Pomona - City, Water Dept.. Plain-English report and a free home water test.

Measured EPA results for Pomona - City, Water Dept.

  • Lead (90th percentile): 0.0021 mg/L, the 2023 to 2025 monitoring period (federal action level 0.015 mg/L)

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

EPA compliance record

Pomona - City, Water Dept. (PWSID CA1910126) has no violations in the EPA Safe Drinking Water Information System.

Common questions about Pomona tap water

Is Pomona tap water safe to drink?

Pomona - 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 Pomona water have lead in it?

Pomona - City, Water Dept.'s most recent Lead and Copper Rule result, from the 2023 to 2025 monitoring period, measured 0.0021 mg/L of 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 Pomona - City, Water Dept. had EPA violations?

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

Where does Pomona's water come from?

Pomona - City, Water Dept. serves about 151,713 people in Los Angeles County and relies mainly on surface water. It is public water system CA1910126.

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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