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Monterey Park · Los Angeles County · tap water report

Monterey Park tap water quality report.

Monterey Park tap water: lead not detected, 1 health-based EPA violation on record. Plain-English report and a free home water test.

Measured EPA results for Monterey Park-City, Water Dept.

  • Lead (90th percentile): not detected, the 2022 to 2024 monitoring period (federal action level 0.015 mg/L)

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

EPA compliance record

Monterey Park-City, Water Dept. (PWSID CA1910092) has 2 violations in the EPA Safe Drinking Water Information System, 1 of them health-based, the most recent beginning Oct 2024.

Common questions about Monterey Park tap water

Is Monterey Park tap water safe to drink?

Monterey Park-City, Water Dept. has 1 health-based violation on its EPA record from the last three years, so the answer depends on what the violation covered and whether it has been resolved. The federal record on this page lists each one with its date.

Does Monterey Park water have lead in it?

Monterey Park-City, Water Dept.'s most recent Lead and Copper Rule result, from the 2022 to 2024 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 Monterey Park-City, Water Dept. had EPA violations?

The EPA record lists 2 violations for this system, 1 of them health-based, the most recent beginning Oct 2024. The rest are monitoring and reporting notes.

Where does Monterey Park's water come from?

Monterey Park-City, Water Dept. serves about 61,096 people in Los Angeles County and relies mainly on ground water. It is public water system CA1910092.

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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