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Is Mount Shasta, CA tap water safe?

6 utilities serve Mount Shasta, 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

3 of the 6 utilities serving Mount Shasta have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: City of MT. Shasta, Siskiyou Lake Highlands MWC and Lake Siskiyou M.W.C..

City of MT. Shasta, which serves the most people here, has 1 result above the health goal. The worst: Lead at 1.4 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

The water from City of MT. Shasta is soft, typically 27 mg/L (1.6 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 Mount Shasta’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 MT. Shasta’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 Mount Shasta

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 2 labs California certifies closest to Mount Shasta, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Pace Analytical Services, LLC - Redding

    Redding, CA · about 51 miles

    Certified for bacteria

    (530) 999-4051

  • Spring Street Analytical

    Klamath Falls, OR · about 70 miles

    Certified for bacteria, nitrate

    (541) 882-6286

All 145 certified labs for California

ZIP codes in Mount Shasta

Which ZIP codes are in Mount Shasta: 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 Mount Shasta

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

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