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Is San Buenaventura (Ventura), CA tap water safe?

2 utilities serve San Buenaventura (Ventura), 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 2 utilities serving San Buenaventura (Ventura) have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Ventura Water Department and Casitas Municipal Water Dist.

Ventura Water Department, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 140 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

The water from Ventura Water Department is very hard, typically 517 mg/L (30.2 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 San Buenaventura (Ventura)’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 Ventura Water Department’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 San Buenaventura (Ventura)

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 San Buenaventura (Ventura), in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Capco Analytical Services

    Ventura, CA · about 12 miles

    Certified for bacteria, nitrate, metals, minerals and other inorganics

    (805) 644-1095

  • Ventura County Public Health Laboratory

    Oxnard, CA · about 17 miles

    Certified for bacteria

    (805) 981-5131

  • Fruit Growers Laboratory, Inc.

    Santa Paula, CA · about 22 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 San Buenaventura (Ventura)

Which ZIP codes are in San Buenaventura (Ventura): 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 San Buenaventura (Ventura)

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