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Is Prescott, WI tap water safe?

2 utilities serve Prescott, by EPA’s records. Here is what EPA’s and Wisconsin’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

1 of the 2 utilities serving Prescott has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Wisconsin’s records: Prescott Waterworks.

Prescott Waterworks, which serves the most people here, has 1 result above the legal limit, 2 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: Nitrate at 12.6 ppm, above the legal limit.

The water from Prescott Waterworks is hard to very hard depending on the source, 173 to 340 mg/L (10.1 to 19.9 grains per gallon). How Wisconsin’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 Prescott’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 Prescott Waterworks’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 Prescott

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 Wisconsin certifies.

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

  • RMB Environmental Laboratories, Inc - Burnsville

    Burnsville, MN · about 28 miles

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

    (952) 456-8470

  • Quality Water Testing, Inc.

    Somerset, WI · about 28 miles

    Certified for bacteria, nitrate

    (715) 247-4873

  • Pace Analytical Services, LLC-Minneapolis MN

    Minneapolis, MN · about 32 miles

    Certified for lead and copper, metals, organic chemicals

    (612) 607-1700

Wisconsin State Laboratory of Hygiene: Well water test kits ordered by phone and shipped free; you pay to mail the sample back, and the lab bills you after testing. Tests run from bacteria alone to a homeowner package covering bacteria, nitrate, fluoride, metals, hardness, volatile organic compounds and atrazine. Bacteria is $35, nitrate $35, lead $38, and the homeowner package $450, as of July 1, 2026. Public Environmental and Water Testing Prices, Wisconsin State Laboratory of Hygiene.

All 156 certified labs for Wisconsin

ZIP codes in Prescott

Which ZIP codes are in Prescott: 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: Wisconsin DNR and DATCP, certified and approved drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Prescott

Towns nearby with a page of their own.

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