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Is Alum Rock, CA tap water safe?

San Jose Water serves Alum Rock, 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

San Jose Water serves Alum Rock. In EPA’s and California’s records it has 1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal, and 1 health-based violation since 2016.

The worst: PFOS at 6.2 ppt, above EPA’s new limit, which takes effect in 2029.

The water from San Jose Water is moderately hard to very hard depending on the source, 112 to 512 mg/L (6.5 to 29.9 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 San Jose Water’s water.

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Every claim, and more filters, in the full report

Water testing near Alum Rock

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

  • Torrent Laboratory, Inc

    Milpitas, CA · about 5 miles

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

    (408) 263-5258

  • AEMTEK, Inc

    Fremont, CA · about 11 miles

    Certified for bacteria, minerals and other inorganics

    (510) 979-1979

  • Bracewell Engineering, Inc.

    Morgan Hill, CA · about 19 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (669) 258-5821

All 145 certified labs for California

ZIP codes in Alum Rock

Which ZIP codes are in Alum Rock: 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 Alum Rock

Other towns in Santa Clara County with a page of their own.

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