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Well Water Testing · Elk River, MN

Well Water Testing in Elk River

Well water testing for homes on a private well across Minnesota. We collect the sample the right way and send it to an accredited laboratory for…

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Elk River · Sherburne County

Well Water Testing in Elk River

Well water testing for homes on a private well across Minnesota. We collect the sample the right way and send it to an accredited laboratory for coliform bacteria and E. coli, nitrate, arsenic, lead, manganese, iron, hardness, pH, fluoride, sulfate and uranium. The Minnesota Department of Health recommends testing a private well for coliform bacteria every year, nitrate every other year, and arsenic and lead at least once. We also look at the visible wellhead, the pressure tank and the water treatment equipment during the home inspection.

Elk River is a Mississippi River city of newer subdivisions on sandy outwash soils. Housing here runs to newer subdivisions on sandy Mississippi outwash, across the river-side subdivisions and the older core.

Elk River is served by our Big Lake team →

Well water in Sherburne County

In MDA's township testing of six Sherburne townships sampled in 2014 and 2015, 7.5% of the 1,993 wells in the final dataset were at or over the 10 mg/L limit. Clear Lake and Haven townships topped 10%, and township results ran from 5.3% to 13.8%. Big Lake was 5.5%. Central Minnesota also has the highest arsenic-detection shares in new wells, per MDH, and MDH puts central counties among those with more homes on wells at increased nitrate risk. We test for coliform bacteria and E. coli, nitrate, arsenic, lead, manganese, iron, hardness, pH, fluoride, sulfate and uranium through an accredited lab.

County facts checked September 2026 against: Minnesota Department of Health, Minnesota Department of Health, Minnesota Department of Health, mda.state.mn.us, co.sherburne.mn.us, mndata.web.health.state.mn.us.

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Questions

Common questions.

Who needs well water testing?
Any home on a private well, and above all when you are buying one. A private well is not regulated like a city water system, so the owner is responsible for knowing what is in the water. Testing before closing tells you whether the water needs treatment while you can still ask questions or negotiate.
What do you test for?
Our lab panel covers coliform bacteria and E. coli, nitrate, arsenic, lead, manganese, iron, hardness, pH, fluoride, sulfate and uranium. Bacteria and nitrate are the short-term health checks. Arsenic, lead, manganese and uranium are the ones you cannot see or taste. Iron, hardness, pH and sulfate explain staining, scale, odor and wear on plumbing and appliances.
How often should a well be tested?
The Minnesota Department of Health recommends coliform bacteria every year, nitrate every other year, and arsenic and lead at least once. Test again after flooding, after any work on the well, or if the taste, color or smell of the water changes.
Is well water testing part of the home inspection?
It is an add-on. Book it with the home inspection and we collect the sample the same visit, so the lab results arrive with time to act on them inside your inspection window.
Which Sherburne County townships had the highest nitrate?
MDA's 2014 and 2015 sampling found Haven at 13.8% and Clear Lake at 11.3% of wells at or over the 10 mg/L limit, the only townships above 10%. Becker, Big Lake, Palmer and Santiago were between 5.3% and 8.6%. Countywide the final figure was 7.5%. Testing the specific well is still the only way to know.
Why is radon testing especially worth it in Elk River?
Sandy outwash is permeable, so soil gas moves through it easily and into basements. Sherburne County sits in EPA Radon Zone 1, where more than two in five Minnesota homes test above the action level — and only a 48-hour test gives you the actual number for that house.
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