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Is California, MD tap water safe?

Lexington Park serves California, by EPA’s records. Here is what EPA’s and Maryland’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Lexington Park serves California. In EPA’s and Maryland’s records it has 1 result above the health goal, and no health-based violation since 2016.

The worst: Arsenic at 5.9 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

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 Lexington Park’s water.

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Every claim, and more filters, in the full report

Water testing near California

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 Maryland certifies.

The 3 labs Maryland certifies closest to California, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • St. Mary's MetCom DW Lab - Lexington Park

    Lexington Park, MD · about 4 miles

    Certified for bacteria

    (301) 737-7400

  • Home Land Labs - Waldorf

    Waldorf, MD · about 31 miles

    Certified for bacteria, nitrate

    (240) 448-5600

  • Mattawoman Water Quality Lab

    La Plata, MD · about 33 miles

    Certified for bacteria, nitrate

    (301) 609-5612

Maryland Department of Health laboratory: Testing of private well water for bacteria, nitrate, lead, copper, iron, hardness and more, on samples sent in through your local health department. Bacteria is $41, nitrate $18, and lead, copper or iron $20 each. Well Water Testing Fees, Maryland Department of Health.

All 92 certified labs for Maryland

ZIP codes in California

Which ZIP codes are in California: 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: MDE, Maryland's certified drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near California

Towns nearby with a page of their own.

What to do next