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Is Black Point-Green Point, CA tap water safe?

North Marin Water District serves Black Point-Green Point, by EPA’s records. Here is what EPA’s and California’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

North Marin Water District serves Black Point-Green Point. In EPA’s and California’s records it has 1 result above the health goal, and no health-based violation since 2016.

The worst: Arsenic at 5.0 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

The water from North Marin Water District is moderately hard, typically 111 mg/L (6.5 grains per gallon). How California’s water compares.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in North Marin Water District’s water.

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Every claim, and more filters, in the full report

Water testing near Black Point-Green Point

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

  • Alpha Analytical Laboratories Inc. - North Bay

    Petaluma, CA · about 11 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, PFAS

    (707) 769-3128

  • Caltest Analytical Laboratory

    Napa, CA · about 16 miles

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

    (707) 258-4000

  • Asbestos TEM Laboratories, Inc

    Oakland, CA · about 22 miles

    Certified for asbestos

    (510) 704-8930

All 145 certified labs for California

ZIP codes in Black Point-Green Point

Which ZIP codes are in Black Point-Green Point: 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 Black Point-Green Point

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

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