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Is New Castle, CO tap water safe?

3 utilities serve New Castle, by EPA’s records. Here is what EPA’s and Colorado’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

None of the 3 utilities serving New Castle has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Colorado’s records.

Town of New Castle, which serves the most people here, has 1 result above the health goal. The worst: Uranium at 1.1 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

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 New Castle’s ZIP codes, from EPA’s estimates.

Water testing near New Castle

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 Colorado certifies.

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

  • Eagle River W / S District

    Avon, CO · about 56 miles

    Certified for bacteria, lead and copper, metals, radioactivity

  • Mesa County Public Health Regional Laboratory

    Grand Junction, CO · about 61 miles

    Certified for bacteria

  • ACZ Laboratories, Inc.

    Steamboat Springs, CO · about 75 miles

    Certified for nitrate, lead and copper, metals, minerals and other inorganics, radioactivity

All 54 certified labs for Colorado

ZIP codes in New Castle

Which ZIP codes are in New Castle: 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: CDPHE certified drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.