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Well Water Testing · Lorimor, IA

Water testing in Lorimor

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

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Lorimor · Union County

Well Water Testing in Lorimor

Water testing for Iowa homes, above all those on a private well. An accredited laboratory can test the water for coliform bacteria and E. coli, nitrate, arsenic and more. Iowa DNR recommends testing a private well at least once a year.

Lorimor is a Union County town founded in 1887 when J.S. Lorimor donated farmland to the Chicago Great Western Railway, incorporated in 1892 and rebuilt in brick after 1890s fires. Housing here runs to houses from the railroad boom after 1887, a population that peaked at 678 residents about 1920, and later postwar and newer infill, across the brick business district rebuilt after the 1890s fires and the older residential blocks around it.

Lorimor homes are inspected by a local partner in our Iowa network.  ·  Call or text (563) 517-7815

Well water in Union County

We found no Union County private well data in the sources we opened. Iowa DNR recommends that private well owners test for coliform bacteria and nitrate each year, test for arsenic at least once, and contact the county health department about free basic testing through the Grants to Counties program. The Iowa Geological Survey says Dakota aquifer water in its 16-county study area is generally fair to poor, with aquifer depth the main influence on dissolved solids and sulfate. We did not confirm which county wells use it.

County facts checked October 2026 against: iowadnr.gov, iowadnr.gov, igs.iihr.uiowa.edu, igs.iihr.uiowa.edu, naturalresources.extension.iastate.edu.

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Water tests available in Lorimor

Bacteria

Shows whether surface water or waste is reaching the well.

  • Total coliform bacteria
    Surface contamination reaching the well
  • E. coli
    Fecal contamination from septic, manure or wildlife

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 rock and soil
    10 µg/L (EPA)
  • Lead
    Lead service lines, solder and brass fixtures
  • Manganese
    Natural manganese; a concern for infants
  • 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

Household quality

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

  • Iron
    Rusty staining and metallic taste
  • 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 shown are EPA drinking water standards. Your lab report compares each result to the standards that apply.

Lorimor private well testing timeline

Iowa DNR recommends testing a private well at least once a year. Its testing guidance lists coliform bacteria and nitrate every year and arsenic every 3 years, with at least one arsenic test for every well. Source: Iowa DNR
TestYear 1Year 2Year 3Year 4Year 5Year 6
Coliform bacteria
Nitrate
Arsenic

Test again any time after flooding, after work on the well, or when the water's taste, color or smell changes, and always when you buy a home with a well.

How far a well must be from common hazards in Lorimor

  • Property line4 ft
  • Building sewer line10 ft
  • LP gas tank15 ft
  • Roadside ditch15 ft
  • Stream, pond, lake or wetland25 ft
  • Septic tank50 ft
  • Septic absorption field100 ft
  • Fuel oil or gasoline tank100 ft
  • Fertilizer or chemical storage150 ft
Source: Iowa Administrative Code 567, chapter 49

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

Buying a home with a well in Lorimor: what happens at the sale

  1. Groundwater Hazard StatementIowa Code 558.69 requires a groundwater hazard statement filed with the declaration of value when a listed condition (including any known well and its status under 455B.190, or a private sewage disposal system) exists on the property, signed by a seller or agent, with a copy given to the buyer.
  2. Wells on the propertyIf known wells are on the property, the statement must give the approximate location of each and its status under Iowa Code 455B.190 (abandoned wells properly plugged); the owner is responsible for the accuracy of the information.
  3. Septic time-of-transfer inspectionIowa Code 455B.172(11) requires a private sewage disposal system serving a building to be inspected before any transfer of ownership, by a DNR-certified inspector, and the county recorder will not record the deed without the report or a binding acknowledgment.
  4. Failing systemsA system that is failing to treat wastewater must be renovated to current standards by the seller or, by agreement and within a reasonable time set by the county board of health or DNR, by the buyer (455B.172(11)(c)).
Source: Iowa Code and Iowa DNR

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

Questions

Common questions.

Who needs well water testing in Iowa?
Any home on a private well, and above all one you are buying. Iowa DNR recommends testing a private well at least once a year, and also when a well is new, after work on the well or pump, and when the water changes in look, smell or taste.
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.
What drives poorer water quality in southern Iowa's Dakota aquifer?
The Iowa Geological Survey says the major factor influencing Dakota aquifer total dissolved solids and sulfate appears to be the depth of the aquifer, with higher values in its deeper north-central portion. Many communities still use it because the water can be treated or blended. This describes a regional study area, and we did not confirm any Union County well draws from it.
Lorimor's downtown was rebuilt in brick after fires in the 1890s. Does a house near those older masonry blocks need anything extra?
It can. Lorimor's city leaders required fire-resistant brick for new business-district buildings after the 1890s fires, and many of those brick buildings are still in use, so an older house nearby may share that era of masonry. Brick and mortar condition, chimneys, lintels and parapets, how roof water leaves the building, and whether the foundation shows stepped cracks or moisture are worth close attention. In a basement, efflorescence and past water entry are the signs to look for. Union County is EPA Radon Zone 1, so a radon test belongs on the list, and a property with its own septic needs the time-of-transfer inspection under Iowa Code 455B.172.
Is there arsenic in Iowa well water?
Arsenic occurs naturally in Iowa rocks and soil, and DNR says it is present at some level in groundwater in many areas of the state. A 2006-2008 University of Iowa survey for DNR found detectable arsenic in 48 percent of 475 sampled rural wells, and 8 percent were at or above 0.01 mg/L (10 ppb). High arsenic was most common in north-central Iowa. Only a lab test shows your well's level. Arsenic cannot be seen, tasted or smelled, so a lab test during a home purchase is how a buyer learns the level in that well.
What does Iowa say about the wellhead itself?
Under 567 IAC 49.17, a well not in a wellhouse needs a cap that seals tightly against the casing, and the casing must terminate at least one foot above finished grade. A cap on a well with a pitless adapter needs a screened vent at least 12 inches above the ground. Section 49.8 says wells cannot be located in basements or in frost pits. These are the construction rules for new wells. Cap, casing height and drainage around the wellhead are visible items covered in a home inspection, and a bacteria test shows whether they are doing their job.
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