Your report
FilteredWTR · Water ReportLA MESA

La Mesa · San Diego County · tap water report

La Mesa tap water quality report.

La Mesa tap water: lead not detected, 0 health-based EPA violations on record for Helix Water District. Plain-English report and a free home water test.

Measured EPA results for Helix Water District

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

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

EPA compliance record

Helix Water District (PWSID CA3710010) has no violations in the EPA Safe Drinking Water Information System.

Common questions about La Mesa tap water

Is La Mesa tap water safe to drink?

Helix 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.

Does La Mesa water have lead in it?

Helix 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.

Has Helix Water District had EPA violations?

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

Where does La Mesa's water come from?

Helix Water District serves about 277,918 people in San Diego County and relies mainly on surface water. It is public water system CA3710010.

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 La Mesa water · Where La Mesa's water comes from · Whole-home water treatment explained · San Diego County · All cities