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Is East Rancho Dominguez, CA tap water safe?

3 utilities serve East Rancho Dominguez, 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

None of the 3 utilities serving East Rancho Dominguez has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.

Compton - City, Water Dept., which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 17 ppt, above EPA’s new limit, which takes effect in 2029.

The water from Compton - City, Water Dept. is moderately hard to very hard depending on the source, 110 to 281 mg/L (6.4 to 16.4 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 East Rancho Dominguez’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 Compton - City, Water Dept.’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 East Rancho Dominguez

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

  • SGS Forensic Laboratories

    Carson, CA · about 2 miles

    Certified for metals

    (310) 763-2374

  • JK BioScience Inc.

    Rancho Dominguez, CA · about 3 miles

    Certified for bacteria, lead and copper, metals

    (714) 707-0612

  • Los Angeles County Public Health Laboratory

    Downey, CA · about 4 miles

    Certified for bacteria

    (562) 658-1300

All 145 certified labs for California

ZIP codes in East Rancho Dominguez

Which ZIP codes are in East Rancho Dominguez: 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 East Rancho Dominguez

Other towns in Los Angeles County with a page of their own.

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