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Is Marshall, MN tap water safe?

3 utilities serve Marshall, by EPA’s records. Here is what EPA’s and Minnesota’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 Marshall has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Minnesota’s records.

Marshall, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 59.1 ppb, above EPA’s health benchmark. 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 Marshall’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 Marshall’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 Marshall

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 Minnesota certifies.

The 2 labs Minnesota certifies closest to Marshall, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Southwest Health and Human Services

    Marshall, MN · under a mile

    Certified for bacteria, nitrate

    (507) 537-6713

  • Minnesota Valley Testing Laboratories, Inc.

    New Ulm, MN · about 65 miles

    Certified for bacteria, nitrate, lead and copper, metals

    (507) 354-8517

All 24 certified labs for Minnesota

ZIP codes in Marshall

Which ZIP codes are in Marshall: 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: Minnesota Department of Health, accredited labs in Minnesota accepting drinking water samples from private well users; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Marshall

Towns nearby with a page of their own.

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