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Well Water Testing · Cold Spring, MN

Well Water Testing in Cold Spring

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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Cold Spring · Stearns County

Well Water Testing in Cold Spring

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.

Cold Spring is a granite-quarry town on the Sauk River with older homes and steady new growth. Housing here runs to older quarry-town homes and steady newer growth, across the older core near the Sauk River and the newer subdivisions.

Well water in Stearns County

MDA's 2014 and 2015 sampling covered many townships: the final dataset had 1,788 wells and 6.9% were at or over the 10 mg/L nitrate limit. Results ranged from 0% to 11.4%, and only Grove Township topped 10%, with the rest under 10%. MDH says central and west-central Minnesota show the highest shares of new wells with arsenic detections, so arsenic testing is sensible here. 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, content.civicplus.com.

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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.
Is nitrate high in Stearns County wells?
MDA's final dataset for townships sampled in 2014 and 2015 had 1,788 wells with 6.9% at or over the 10 mg/L limit. Only Grove Township exceeded 10% (11.4%), and every other township was under 10%. Results vary a lot by township, so MDH's advice to test nitrate every other year applies to your own well.
Does the granite under Cold Spring affect homes?
It can — shallow bedrock limits how deep basements and drainage can go, so we read foundation depth, sump performance and radon risk (granite country tests high) with that in mind.
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