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Is Oak Park, CA tap water safe?

2 utilities serve Oak Park, 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

Neither of the 2 utilities serving Oak Park has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.

Triunfo Water & Sanitation District, which serves the most people here, has nothing above a health goal in EPA’s and California’s records. That data covers what its report lists, not everything.

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 Oak Park’s ZIP codes, from EPA’s estimates.

Water testing near Oak Park

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

  • Camrosa Water District Wastewater Laboratory

    Camarillo, CA · about 16 miles

    Certified for bacteria

    (805) 248-0402

  • Pat-Chem Laboratories

    San Fernando, CA · about 20 miles

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

    (800) 400-5227

  • Fruit Growers Laboratory, Inc.

    Santa Paula, CA · about 21 miles

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

    (805) 392-2000

All 145 certified labs for California

ZIP codes in Oak Park

Which ZIP codes are in Oak Park: 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 Oak Park

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

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