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Is Rossmoor, CA tap water safe?

Golden State WC - West Orange County serves Rossmoor, 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

Golden State WC - West Orange County serves Rossmoor. In EPA’s and California’s records it has 2 results above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark, and no health-based violation since 2016.

The worst: PFOS at 16 ppt, above EPA’s new limit, which takes effect in 2029.

The water from Golden State WC - West Orange County is soft to very hard depending on the source, 57 to 360 mg/L (3.3 to 21.1 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 Golden State WC - West Orange County’s water.

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Every claim, and more filters, in the full report

Water testing near Rossmoor

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 Rossmoor, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Food Microbiological Laboratories, Inc.

    Cypress, CA · about 2 miles

    Certified for bacteria

    (714) 657-7527

  • Moore Institute for Plastic Pollution Research

    Long Beach, CA · about 4 miles

    (562) 726-3365

  • LA Testing

    Huntington Beach, CA · about 5 miles

    Certified for lead and copper, metals

    (714) 828-4999

All 145 certified labs for California

ZIP codes in Rossmoor

Which ZIP codes are in Rossmoor: 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 Rossmoor

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

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