Signal Hill · Los Angeles County · tap water report
Signal Hill tap water: lead 0.0029 mg/L, 5 health-based EPA violations on record. Plain-English report and a free home water test.
5 measured results on file across every sampling period the EPA publishes.
Signal Hill - City, Water Dept. (PWSID CA1910149) has 7 violations in the EPA Safe Drinking Water Information System, 5 of them health-based, the most recent beginning Apr 2025.
Signal Hill - City, Water Dept. has 3 health-based violations 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.
Signal Hill - City, Water Dept.'s most recent Lead and Copper Rule result, from the 2024 to 2026 monitoring period, measured 0.0029 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.
The EPA record lists 7 violations for this system, 5 of them health-based, the most recent beginning Apr 2025. The rest are monitoring and reporting notes.
Signal Hill - City, Water Dept. serves about 11,848 people in Los Angeles County and relies mainly on surface water. It is public water system CA1910149.
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.
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