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Is Aptos Hills-Larkin Valley, CA tap water safe?

10 utilities serve Aptos Hills-Larkin Valley, 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 10 utilities serving Aptos Hills-Larkin Valley have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Hidden Valley WA and Monte Vista Christian School.

City of Watsonville, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 6.5 ppt, above EPA’s new limit, which takes effect in 2029.

The water from City of Watsonville is very hard, typically 230 mg/L (13.5 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 Aptos Hills-Larkin Valley’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 City of Watsonville’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 Aptos Hills-Larkin Valley

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 Aptos Hills-Larkin Valley, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Santa Cruz County - Health Services Agency - Environmental Health

    Santa Cruz, CA · about 11 miles

    Certified for bacteria

    (831) 454-4624

  • Bracewell Engineering, Inc.

    Morgan Hill, CA · about 14 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (669) 258-5821

  • CM Analytical, Inc.

    Gilroy, CA · about 15 miles

    Certified for bacteria

    (408) 848-3619

All 145 certified labs for California

ZIP codes in Aptos Hills-Larkin Valley

Which ZIP codes are in Aptos Hills-Larkin Valley: 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 Aptos Hills-Larkin Valley

Other towns in Santa Cruz County with a page of their own.

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