Skip to content
TapBuff
ZIP

Is Santa Clara, CA tap water safe?

City of Santa Clara serves Santa Clara, 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

City of Santa Clara serves Santa Clara. In EPA’s and California’s records it has 2 results above the health goal, and no health-based violation since 2016.

The worst: Lead at 2.7 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

The water from City of Santa Clara is hard to very hard depending on the source, 170 to 360 mg/L (9.9 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 City of Santa Clara’s water.

Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money

Every claim, and more filters, in the full report

Water testing near Santa Clara

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 Santa Clara, 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 9 miles

    Certified for bacteria, minerals and other inorganics

    (510) 979-1979

  • SGS North America

    Hayward, CA · about 21 miles

    Certified for bacteria

    (510) 266-8183

All 145 certified labs for California

ZIP codes in Santa Clara

Which ZIP codes are in Santa Clara: 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 Santa Clara

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

What to do next