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Is Signal Hill, CA tap water safe?

Signal Hill - City, Water Dept. serves Signal Hill, by EPA’s records. Here is what EPA’s and California’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Signal Hill - City, Water Dept. serves Signal Hill. In EPA’s and California’s records it has 1 result above the limit’s level with no violation recorded, 2 results above the health goal and 1 result above EPA’s health benchmark, and 5 health-based violations since 2016.

The worst: Arsenic at 11 ppb, above the limit’s level, no violation. Health goals are stricter than legal limits and are not enforced.

The water from Signal Hill - City, Water Dept. is moderately hard to very hard depending on the source, 80 to 235 mg/L (4.7 to 13.7 grains per gallon). How California’s water compares.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Signal Hill - City, Water Dept.’s water.

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Every claim, and more filters, in the full report

Water testing near Signal Hill

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

  • Alpha Analytical Laboratories, Inc. - Los Angeles

    Signal Hill, CA · about 1 mile

    Certified for bacteria, nitrate, minerals and other inorganics

    (424) 267-5032

  • Long Beach Public Health Laboratory

    Long Beach, CA · about 1 mile

    Certified for bacteria

    (562) 570-4080

  • Applied Microbiological Services (AMS)

    Long Beach, CA · about 3 miles

    Certified for bacteria

    (562) 495-9500

All 145 certified labs for California

ZIP codes in Signal Hill

Which ZIP codes are in Signal Hill: 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.