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Is Rowland Heights, CA tap water safe?

3 utilities serve Rowland Heights, 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 Rowland Heights has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.

Rowland Water District, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 48 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.

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 Rowland Heights’s ZIP codes, from EPA’s estimates.

Water testing near Rowland Heights

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

  • Weck Laboratories, Inc.

    City of Industry, CA · about 6 miles

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

    (626) 336-2139

  • Eurofins Pomona

    Pomona, CA · about 6 miles

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

    (626) 386-1100

  • Enviro-Chem, Inc.

    Pomona, CA · about 9 miles

    Certified for metals

    (909) 590-5905

All 145 certified labs for California

ZIP codes in Rowland Heights

Which ZIP codes are in Rowland Heights: 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 Rowland Heights

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

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