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Well Water Testing · Cedar Mills, MN

Water testing in Cedar Mills

Water testing for Minnesota homes, above all those on a private well. An accredited laboratory tests the water for coliform bacteria and E. coli…

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Cedar Mills · Meeker County

Well Water Testing in Cedar Mills

Water testing for Minnesota homes, above all those on a private well. An accredited laboratory tests the water for coliform bacteria and E. coli, nitrate, arsenic, lead, manganese, VOCs (volatile organic compounds), DRO (diesel range organics), iron, hardness, pH, fluoride, sulfate and uranium. The Minnesota Department of Health recommends testing a private well for coliform bacteria every year, nitrate every year, and arsenic and lead at least once.

Cedar Mills is a tiny Meeker County city on the South Fork Crow River and the Luce Line Trail. Housing here runs to a small stock of older village houses from the railroad years, with a few newer homes among them, across the small townsite along Highway 7 and the Luce Line State Trail, near the grain elevator.

Cedar Mills is served by our Big Lake team →  ·  (612) 457-1634

Well water in Meeker County

MDA's 2018 township testing in Meeker County covered two vulnerable townships and 245 wells, and 2.0% were over the 10 mg/L nitrate-nitrogen health standard. A low township-scale rate does not clear any single well. MDH says arsenic is elevated in central and west-central Minnesota and can differ sharply between neighbors because of glacial geology, and it lists coliform yearly, nitrate every year, and arsenic and lead at least once.

County facts checked September 2026 against: meekercountymn.gov, co.meeker.mn.us, mda.state.mn.us, Minnesota Department of Health, Minnesota Department of Health.

Well water around Cedar Mills, Meeker County

Cedar Mills, MN water testing: water heater beside a well pressure tank in a Minnesota utility closet
VOCs: fuels, solvents and degreasers →
Under-sink reverse osmosis filter in a 1970s unfinished Minnesota basement (Meeker County, Minnesota)
DRO: a screen for diesel and heating-oil petroleum →
Cedar Mills, MN water testing: pEX water manifold in an older fieldstone Minnesota basement
Nitrate: EPA limit 10 mg/L, highest risk to infants →

Home inspection in Cedar Mills →  ·  More about well water testing →  ·  Every water test, explained →

Pairs well with:

Septic inspection in Cedar MillsRadon testing in Cedar MillsSewer scope in Cedar Mills

Water tests available in Cedar Mills

Bacteria

Shows whether surface water or waste is reaching the well.

  • Total coliform bacteria
    Surface contamination reaching the well
    None should be present (MDH)
  • E. coli
    Fecal contamination from septic, manure or wildlife
    None should be present (MDH)

Health chemicals

No taste, color or smell. These are the long-term health checks.

  • Nitrate
    Fertilizer, septic and manure; highest risk to infants
    10 mg/L (EPA)
  • Arsenic
    Natural arsenic from Minnesota rock and soil
    10 µg/L (EPA)
  • Lead
    Lead service lines, solder and brass fixtures
    No safe level (MDH)
  • Manganese
    Natural manganese; a concern for infants
    100 µg/L for infants (MDH guidance)
  • Fluoride
    Natural fluoride; dental health
    4.0 mg/L (EPA)
  • Uranium
    Natural radionuclide in groundwater
    30 µg/L (EPA)

Petroleum & solvents

Fuel and chemical spills from old tanks or nearby sites.

  • VOCs (volatile organic compounds)
    Fuels, solvents, degreasers and paints
    Varies by compound (EPA)
  • DRO (diesel range organics)
    Diesel and heating-oil petroleum
    No limit of its own; a petroleum screen (MPCA)

Household quality

Staining, scale and taste, and choosing the right treatment.

  • Iron
    Rusty staining and metallic taste
    0.3 mg/L, aesthetic (MDH)
  • Hardness
    Scale buildup; sizing a water softener
    No health standard
  • pH
    Corrosive or scaling water
    6.5 to 8.5, aesthetic (EPA)
  • Sulfate
    Taste and odor; diarrhea risk for infants
    250 mg/L, aesthetic (EPA)

Limits from MDH, EPA and MPCA. Compare your lab results with these values.

Cedar Mills private well testing timeline

Minnesota Department of Health schedule: coliform bacteria and nitrate every year, arsenic and lead at least once. Source: MDH
TestYear 1Year 2Year 3Year 4Year 5Year 6
Coliform bacteria
Nitrate
Arsenic
Lead

When to test your water

  • Every yearColiform bacteria and nitrate, the basic safety checks for a private well. Nitrate can come from fertilizer, septic systems and animal waste.
  • At least onceArsenic and lead. Arsenic can differ even between neighboring wells.
  • Before a baby drinks the waterColiform bacteria, nitrate, arsenic, lead and manganese. MDH recommends testing a private well for all five before a baby drinks the water.
  • When you buy a homeA full baseline while you can still ask questions or negotiate.
  • After flooding or well workFlooding and repairs to the well are reasons to test again.
  • When taste, color or smell changesMDH says a change in taste, smell or look is a reason to test for coliform bacteria.
  • Near a fuel tank or industrial siteVOCs, plus DRO for diesel and heating oil. MDH says to consider a VOC test if the well is near fuel tanks or a commercial or industrial area.
  • City water in an older homeLead. MDH says homes built before 1940 may have lead service lines, and plumbing parts made before 1986 may contain lead.

Based on: MDH well testing, MDH coliform bacteria, MDH nitrate, MDH water for babies, MDH flood precautions, MDH lead.

How to get it done

  1. Choose your testsPick the water testing you need in the free instant quote.
  2. Pick a timeBook online. The quote takes about 30 seconds.
  3. Get certified lab resultsA certified laboratory analyzes the water and reports each result.

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Nitrate in Meeker County wells

2%

2% of 245 wells tested in two vulnerable townships were at or over the 10 mg/L nitrate standard (MDA township testing, 2018).

Source: Minnesota Department of Agriculture township testing

Township numbers are averages. Only a test of your own well tells you its nitrate level. Get a free instant quote

Buying a home with a well in Cedar Mills: the disclosure rules

  1. Before the purchase agreementThe seller discloses in writing every known well and whether it is in use, not in use or sealed.
  2. At closingA well disclosure certificate is signed, unless the deed says the seller knows of no wells.
  3. If a well was hiddenA seller who knew of an undisclosed well can owe the sealing cost and attorney fees if the buyer sues within six years.
Source: Minnesota Statutes 103I.235

The disclosure tells you a well exists, not what is in it. Add water testing to your inspection. Get a free instant quote

How far a well must be from common hazards in Cedar Mills

  • Building (closest projection)3 ft
  • Lake, river, stream or pond35 ft
  • Septic tank50 ft
  • Drainfield (soil dispersal area)50 ft (100 ft sensitive well)
  • Animal feedlot or building (over 1 animal unit)50 ft
  • Cesspool or seepage pit75 ft (150 ft sensitive well)
  • Unroofed feedlot, 300+ animal units100 ft
  • Unprotected petroleum tank, 1,100+ gallons150 ft
Source: Minnesota Rules 4725.4450 and 4725.4350

Septic, feedlot or fuel tank near the well? A coliform and nitrate test shows whether it is reaching the water. Get a free instant quote

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 does the water panel cover?
The panel covers coliform bacteria and E. coli, nitrate, arsenic, lead, manganese, VOCs (volatile organic compounds), DRO (diesel range organics), 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. VOCs and DRO screen for solvents and petroleum, such as fuel from an old oil tank or a nearby leak site. 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 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. Add it to your home inspection quote. Testing early in your inspection window leaves time to act on the results.
How common is high nitrate in Meeker County wells?
MDA's 2018 initial sampling of two townships found 2.0% of 245 wells over the 10 mg/L health standard. That is low, but it describes townships, not your well. MDH recommends testing for coliform bacteria every year.
My home is on city water. Is water testing still worth it?
Often yes. Community water systems follow EPA testing rules and report results in an annual Consumer Confidence Report, but that report does not measure your own plumbing. MDH and EPA say lead enters mainly from service lines and plumbing materials, and the only way to know is a tap test. MDH recommends an accredited lab, and your utility can say whether your home has a lead service line.
When should a home be tested for DRO or VOCs?
MDH suggests considering a VOC test when a well is near fuel tanks or a commercial or industrial area. MPCA reports petroleum has leaked at about 22,000 Minnesota sites, including home heating-oil tanks, and releases can threaten drinking water and send vapors into buildings. Reasons to test include a nearby leak site, a former or buried fuel tank, or a fuel odor or sheen. MPCA's leaking-tank-site database shows reported releases.
Cedar Mills sits on the South Fork Crow River — is flooding a concern?
It is worth asking about. The South Fork of the Crow River runs along the southwest border of Cedar Mills, which was laid out in 1860 and had a post office from 1870 to 1955. Houses closest to the river or to low ground can see wet basements in high-water years. Grading, foundation walls, sump systems and any staining at the floor are worth checking. In a city of only about 60 residents, any house that has sat vacant also gets a look for plumbing freeze damage, pests and roof condition.
Should I test my well for VOCs if there is a gas station nearby?
MDH says to consider testing for volatile organic chemicals if your well is near fuel tanks or a commercial or industrial area. A nearby station is a reasonable reason to ask an accredited laboratory for a VOC analysis. Results are compared with MDH health-based guidance values for each compound.
How common is arsenic in Minnesota well water?
MDH reports about 10 percent of private wells in Minnesota have arsenic above the 10 µg/L standard, and arsenic was detected in about 40 percent of new wells drilled since 2008. Some wells have reached 350 µg/L. Levels vary between wells, even close together, so each well needs its own test.
Who is allowed to seal a well in Minnesota?
Only licensed or registered contractors. Minnesota Rules 4725.3875 makes the property owner responsible for having a contractor licensed or registered under the rules seal an unused well or boring. The Department of Health also states that only a licensed well contractor can legally seal wells. Its online directory lists currently licensed contractors. Sealing is licensed work done by a well contractor; testing the well in use is a separate step.
How can I tell if there is a forgotten well on my property?
The Department of Health suggests looking for a pipe 1 to 8 inches wide at, above, or below the surface, a low spot or sunken area, a metal, wood, or concrete cover, a windmill or old well house, and a concrete patch or glass block in a basement step or floor. Well pits and basement offsets are other common signs. Visible signs like these are worth raising with your agent and a licensed well contractor.
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