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Well Water Testing · Richmond, MN

Water testing in Richmond

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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Richmond · Stearns County

Well Water Testing in Richmond

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.

Richmond is a Sauk River chain-of-lakes town of older homes and lake properties. Housing here runs to older town homes and lake properties on the Sauk chain, across the town core and the chain-of-lakes shoreline.

Questions about a Richmond home?  ·  Call or text (612) 457-1634

Hose bib on a brick wall at a Minnesota home in autumn color: well water testing in Richmond, MN
Nitrate: EPA limit 10 mg/L, highest risk to infants →

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.coli, nitrate, arsenic, lead, manganese, iron, hardness, pH, fluoride, sulfate, uranium, VOCs and DRO (diesel range organics) 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.

Fire hydrant on a quiet street in a small Minnesota town in summer: well water testing in Richmond, MN
Arsenic: about 10% of Minnesota wells exceed the standard →

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

Pairs well with:

Septic inspection in RichmondRadon testing in RichmondSewer scope in Richmond

Water tests available in Richmond

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.

Richmond 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 Stearns County wells

6.9%

6.9% of 1,788 wells tested in many townships were at or over the 10 mg/L nitrate standard (MDA township testing, 2014-2015).

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

Arsenic in Richmond private wells, out of every 100

About 40 in 100 have some arsenic About 10 in 100 are above the 10 µg/L standard

Source: Minnesota Department of Health

You can't see, smell or taste arsenic. One lab test tells you where the well stands. Get a free instant quote

How long a private well lasts in Richmond

0255075100+ years
25 to 50 years is common
100+ possible

Wells built before 1974, when Minnesota's well code began, are listed by MDH as higher risk for bacteria, along with leaking dug wells, wells in old frost pits and wells with corroded casings.

Source: Minnesota Department of Health

Wells built before 1974 often have no record on file. Test the water before you close. 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.
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 year applies to your own well.
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.
Do you inspect Richmond lake properties?
Yes — the Horseshoe Chain brings converted seasonal cabins, shoreline drainage and older private systems into the inspection.
What does it mean if E. coli is found in my well water?
It likely means feces, and the harmful germs they can carry, have entered the well. CDC notes most E. coli is harmless, but some types can cause serious illness, and a standard test cannot tell which type is present. Use bottled water or another safe water source.
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 high should a well casing stick up above the ground?
Minnesota Rules 4725.2250 requires a casing or casing extension to extend vertically at least 12 inches above the established ground surface, the floor of a well house, or a concrete slab. The ground next to the casing must be graded to divert water away. Ending the casing below ground, such as in a well pit, is prohibited. Ponding or poor grading around the casing is a good reason to test for coliform bacteria.
What should I look for on a well cap?
The Department of Health asks owners to check whether the well cap is securely attached, broken, or missing, whether the casing has cracks, holes, or corrosion, and whether electrical conduit and other connections are watertight. Under Minnesota Rules 4725.5450, a vent must be screened with openings of 1/16 inch or less and point downward. A damaged cap or vent is a good reason to test for coliform bacteria.
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