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Is Bishop, CA tap water safe?

15 utilities serve Bishop, 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

4 of the 15 utilities serving Bishop have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Highland Mobile Home Park, Lower Rock Creek Mutual Water Co., Sierra Grande Estates Mutual Water Co. and 1 more.

City of Bishop, which serves the most people here, has 2 results above the health goal. The worst: Uranium at 7.9 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

The water from City of Bishop is soft to moderately hard depending on the source, 35 to 77 mg/L (2 to 4.5 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 Bishop’s ZIP codes, from EPA’s estimates.

5 more utilities in Bishop

By EPA’s estimate, each serves fewer people in Bishop than those above.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Bishop’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 Bishop

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

  • Inyo County Water Lab

    Independence, CA · about 49 miles

    Certified for bacteria

    (760) 878-8476

All 145 certified labs for California

ZIP codes in Bishop

Which ZIP codes are in Bishop: 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 Bishop

Towns nearby with a page of their own.

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