Your report
FilteredWTR · Water ReportSAN DIEGO

San Diego · San Diego County · tap water report

San Diego tap water quality report.

San Diego tap water: lead not detected, 0 health-based EPA violations on record for City of San Diego. Plain-English report and a free home water test.

Measured EPA results for City of San Diego

  • Lead (90th percentile): not detected, the 2024 to 2026 monitoring period (federal action level 0.015 mg/L)

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

EPA compliance record

City of San Diego (PWSID CA3710020) has 12 violations in the EPA Safe Drinking Water Information System, 0 of them health-based.

Common questions about San Diego tap water

Is San Diego tap water safe to drink?

City of San Diego 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 San Diego water have lead in it?

City of San Diego's most recent Lead and Copper Rule result, from the 2024 to 2026 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 City of San Diego had EPA violations?

The EPA record lists 12 violations for this system, 0 of them health-based. The rest are monitoring and reporting notes.

Where does San Diego's water come from?

City of San Diego serves about 1,408,937 people in San Diego County and relies mainly on surface water. It is public water system CA3710020.

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

Nearby San Diego County water reports

The fix for San Diego water · Where San Diego's water comes from · Whole-home water treatment explained · San Diego County · All cities