Rancho Cucamonga · San Bernardino County · tap water report
Rancho Cucamonga tap water: lead not detected, 0 health-based EPA violations on record. Plain-English report and a free home water test.
3 measured results on file across every sampling period the EPA publishes.
Cucamonga Valley Water District (PWSID CA3610018) has no violations in the EPA Safe Drinking Water Information System.
Cucamonga Valley Water District 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.
Cucamonga Valley Water District'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.
No. The EPA Safe Drinking Water Information System lists no violations for this system.
Cucamonga Valley Water District serves about 213,375 people in San Bernardino County and relies mainly on surface water. It is public water system CA3610018.
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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