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Is San Clemente, CA tap water safe?

3 utilities serve San Clemente, by EPA’s records. Here is what EPA’s and California’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

1 of the 3 utilities serving San Clemente has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Camp Pendleton (North).

City of San Clemente, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 60 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

The water from City of San Clemente is very hard, typically 219 mg/L (12.8 grains per gallon). How California’s water compares.

A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in San Clemente’s ZIP codes, from EPA’s estimates.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of San Clemente’s water, which serves the most people here. Another utility’s report names what handles its own results.

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Every claim, and more filters, in the full report

Water testing near San Clemente

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

  • 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

  • Onterris Laboratories, LLC

    Orange, CA · about 29 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 29 miles

    Certified for lead and copper

    (714) 937-0750

All 145 certified labs for California

ZIP codes in San Clemente

Which ZIP codes are in San Clemente: 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 San Clemente

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

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