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Is Mather, CA tap water safe?

3 utilities serve Mather, 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

2 of the 3 utilities serving Mather have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: SCWA Mather - Sunrise and SCWA - Laguna/Vineyard.

Cal Am - Suburban Rosemont, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 13.4 ppt, above EPA’s new limit, which takes effect in 2029.

The water from Cal Am - Suburban Rosemont is soft to very hard depending on the source, 50 to 360 mg/L (2.9 to 21.1 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 Mather’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 Cal Am - Suburban Rosemont’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 Mather

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

  • Sparger Technology, Inc.

    Sacramento, CA · about 1 mile

    Certified for bacteria, nitrate, minerals and other inorganics

    (916) 369-7688

  • BSK Associates - Sacramento Analytical Laboratory

    Sacramento, CA · about 3 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (559) 497-2888

  • California Laboratory Services

    Rancho Cordova, CA · about 3 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts

    (916) 638-7301

All 145 certified labs for California

ZIP codes in Mather

Which ZIP codes are in Mather: 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 Mather

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

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