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Is Rancho Santa Fe, CA tap water safe?

2 utilities serve Rancho Santa Fe, 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

Neither of the 2 utilities serving Rancho Santa Fe has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.

Santa Fe I.D., which serves the most people here, has 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 39.8 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

The water from Santa Fe I.D. is very hard, typically 350 mg/L (20.5 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 Rancho Santa Fe’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 Santa Fe I.D.’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 Rancho Santa Fe

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

  • Alpha Analytical Laboratories, Inc. - San Diego

    Vista, CA · about 9 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (760) 536-3352

  • Applied Industrial Microbiology, Inc.

    Vista, CA · about 9 miles

    Certified for bacteria, nitrate

    (760) 295-0430

  • EMSL Analytical, Inc.

    San Diego, CA · about 13 miles

    Certified for bacteria

    (800) 220-3675

All 145 certified labs for California

ZIP codes in Rancho Santa Fe

Which ZIP codes are in Rancho Santa Fe: 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 Rancho Santa Fe

Other towns in San Diego County with a page of their own.

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