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Is Cottage Grove, MN tap water safe?

2 utilities serve Cottage Grove, 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

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

Cottage Grove, which serves the most people here, has 3 results above the health goal. The worst: Arsenic at 2.9 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 Cottage Grove’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 Cottage Grove’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 Cottage Grove

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 3 labs Minnesota certifies closest to Cottage Grove, 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 18 miles

    Certified for bacteria, nitrate

    (952) 456-8470

  • Pace Analytical Services, LLC - Minneapolis

    Minneapolis, MN · about 22 miles

    Certified for bacteria, nitrate, lead and copper, metals

    (612) 607-1700

  • Tri-City/William Lloyd Analytical Lab

    Bloomington, MN · about 22 miles

    Certified for bacteria, nitrate, metals

    (952) 563-4904

All 24 certified labs for Minnesota

ZIP codes in Cottage Grove

Which ZIP codes are in Cottage Grove: 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 Cottage Grove

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

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