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Well Water Testing · Livermore, IA

Water testing in Livermore

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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Livermore · Humboldt County

Well Water Testing in Livermore

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.

Livermore is an 1879 railroad town at the confluence of the East Fork Des Moines River and Lotts Creek. Housing here runs to early-1900s homes from the town's rail-junction years and postwar houses toward the golf course and ball fields, across the original business district on the old Highway 222 alignment, the older residential grid and the river-side edges.

Questions about a Livermore home?  ·  Call or text (563) 517-7815

Glass of water at an Iowa farmhouse kitchen sink, evening: well water testing in Livermore, IA
Nitrate: EPA limit 10 mg/L, highest risk to infants →

Well water in Humboldt County

Private wells in Humboldt County are the owner's responsibility to test. Iowa DNR recommends that all private well owners test at least annually, with coliform bacteria and nitrate checked each year, and arsenic tested at least once. DNR also notes that nitrate, arsenic, and other contaminants occur naturally in some aquifers, and that shallow groundwater is more exposed to surface contaminants. Annual nitrate testing is the DNR recommendation, and testing your own well is the only way to know what is in it.

County facts checked October 2026 against: iowadnr.gov, iowadnr.gov, shl.uiowa.edu.

Water softener in an Iowa basement, morning: well water testing in Livermore, IA
Arsenic: Iowa DNR says test at least once →

Home inspection in Livermore →  ·  Water testing in Iowa, explained →

Water tests available in Livermore

Bacteria

Shows whether surface water or waste is reaching the well.

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. Compare your lab results with these values.

Livermore 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

When to test your water

  • Every yearColiform bacteria and nitrate, the basic safety checks for a private well.
  • At least onceArsenic and manganese. Iowa DNR's testing list repeats arsenic every 3 years.
  • Before a baby drinks the waterNitrate. Water above 10 mg/L as nitrogen should not be used for infant formula or juice.
  • When you buy a homeA full baseline while you can still ask questions or negotiate.
  • New well or well workWhen a well is new and after service on the well or pump.
  • After a flood or power outageIf flood water was near or reached the well, or an outage dropped the water pressure.
  • When taste, color or smell changesA change in the water is a reason to test.
  • Near a fuel tankVOCs, plus DRO for diesel and fuel oil. Iowa DNR names gasoline among the VOCs some wells are susceptible to, and Iowa's well rules list 100 feet between a well and a liquid fuel storage tank other than propane.
  • City water in an older homeLead. Iowa DNR says homes built before 1986 are more likely to have lead pipes, fixtures and solder.

Based on: Iowa DNR private wells, Iowa DNR testing frequency, Iowa DNR why test, Iowa DNR floods, State Hygienic Laboratory, 567 IAC 49.

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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How far a well must be from common hazards in Livermore

  • 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 Livermore: 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.
My home is on city water in Iowa. Is water testing still worth it?
Often, yes. Lead in drinking water comes mainly from service lines and home plumbing. Iowa DNR says a water system cannot control the materials used in home plumbing. Your utility sends a Consumer Confidence Report each year. Under the federal Lead and Copper Rule, utilities sample selected homes, those more likely to have lead plumbing. Iowa community water systems had to prepare a lead service line inventory under the federal rule, and it must be publicly available. DNR expects homes built after 1988 to have service lines made of something other than lead. To learn what your service line is made of, ask your water utility. DNR also notes that utilities are not required to offer lead testing on request. EPA says testing is the only sure way to know whether harmful amounts of lead are in your water.
What nitrate level is considered a problem in a Humboldt County well?
The State Hygienic Laboratory uses 10 mg/L nitrate as nitrogen as the benchmark and says water above it should not be used for infant formula. DNR recommends testing nitrate annually, along with bacteria, and warns that water above EPA limits should not be consumed without proper treatment.
What do Livermore inspections focus on?
Water first. Livermore sits where Lotts Creek meets the East Fork Des Moines, so low lots get the flood-history, grading and sump read before anything else. Then age: the town was platted in 1880 and much of the stock dates to its rail-junction peak, so services and foundations get dated precisely and older streets get a sewer-scope recommendation. Humboldt County is Radon Zone 1.
Who is allowed to do well work in Iowa?
Iowa requires well services to be done by a DNR-certified well contractor who is on site and in direct charge of the work, under 567 IAC 82.2(1) and 49.4(3). The one exception is that a person may perform well services on their own property. DNR certifies well drillers, pump installers and well plugging contractors, and they have different scopes. You can check a contractor's status on DNR's lists. A lab result helps show whether the well needs a DNR-certified contractor.
Should I test my well after a flood?
Yes. Iowa DNR says never consume water from a well if flood water may have reached it, and test to find out if it is safe. Test for coliform and E. coli, and nitrate. Floods can raise groundwater loading near a well and surface water can enter through casing defects. Standard bacteria tests do not detect Giardia or Cryptosporidium. After a flood, only a lab test shows whether a well is safe to drink from again.
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