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Is Irvine, CA tap water safe?

Irvine Ranch Water District serves Irvine, by EPA’s records. Here is what EPA’s and California’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Irvine Ranch Water District serves Irvine. In EPA’s and California’s records it has 3 results above the health goal and 1 result above EPA’s health benchmark, and no health-based violation since 2016.

The worst: Lithium at 67.2 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

The water from Irvine Ranch Water District is very hard, 214 to 293 mg/L (12.5 to 17.1 grains per gallon). How California’s water compares.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Irvine Ranch Water District’s water.

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Every claim, and more filters, in the full report

Water testing near Irvine

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab California certifies.

The 3 labs California certifies closest to Irvine, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Onterris Laboratories, LLC

    Orange, CA · about 9 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts

    (714) 771-6900

  • Envirocheck, Inc.

    Orange, CA · about 9 miles

    Certified for lead and copper

    (714) 937-0750

  • Sierra Analytical Labs, Inc.

    Laguna Hills, CA · about 10 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals

    (949) 348-9389

All 145 certified labs for California

ZIP codes in Irvine

Which ZIP codes are in Irvine: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Irvine

Other towns in Orange County with a page of their own.

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