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Well Water Testing · Moulton, IA

Water testing in Moulton

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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Moulton · Appanoose County

Well Water Testing in Moulton

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.

Moulton is an 1867 Appanoose County coal town in the most heavily mined county in the study area. Housing here runs to late-1800s and early-1900s housing from the town's 1867 platting and its coal-production decades, with limited later building, across the town plat, the older residential blocks, and the Appanoose County farm ground and former mining ground around it.

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

Well water in Appanoose County

No Appanoose County well-quality figures turned up. The Iowa DNR recommends private well owners test for coliform bacteria and nitrate every year and for arsenic at least once, and says free basic testing is available through the Grants to Counties program by contacting the county health department. A 1969 Iowa Geological Survey report on neighboring Wayne County described poor groundwater supplies across parts of south-central Iowa, but it is decades old and about a different county.

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

See all Moulton inspections →  ·  Water testing in Iowa, explained →

Water tests available in Moulton

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.

Moulton 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.

Water testing in Moulton: what matters

Moulton, IA water testing: well drilling rig parked at a Iowa building site in summer
VOCs: fuels, solvents and degreasers →
Rusted above-ground fuel oil tank beside an old Iowa farmhouse in autumn (Appanoose County, Iowa)
DRO: a screen for diesel and heating-oil petroleum →
Moulton, IA water testing: farm fuel tanks on stands in a Iowa farmyard in winter snow
Coliform bacteria: Iowa DNR recommends testing every year →

How far a well must be from common hazards in Moulton

  • 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 Moulton: 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 basic tests does Iowa DNR list for an Appanoose County well?
Iowa DNR's private well page lists coliform and E. coli bacteria and nitrate as annual tests and arsenic as a test every 3 years, and says every well should get at least one arsenic test. Its other page says to test at a minimum for coliform, nitrate and nitrite, and manganese. Contact the county health department about free basic testing.
Moulton was a coal town — what does that actually mean for a house here?
Two separate things, and it is worth keeping them apart. The first is the ground. Appanoose County was mined underground from the 1850s and the last county mine closed in 1971; Moulton was platted in 1867 and was a major production center. Iowa DNR publishes a public coal-mine map and the state runs a mine-subsidence program, so checking the address is free and settles it. But the Iowa Geological Survey's study of the heavily undermined Centerville area recorded relatively few reported mine-related problems, so undermined ground is not evidence of a damaged house. The second thing is the housing itself: coal-era stock built quickly for working families, now well over a century old, where wiring, plumbing, chimneys, roofs and foundations all need dating individually.
What is the Iowa Groundwater Hazard Statement?
Under Iowa Code 558.69, a groundwater hazard statement must be submitted with the declaration of value when property is conveyed, if any listed condition exists. It covers known private burial sites, wells and their status under section 455B.190, hazardous solid waste disposal sites, underground storage tanks, hazardous waste, and private sewage disposal systems. A seller or agent signs it, and the buyer must be given a copy. A well disclosed on the statement is a reason to have the water tested and the wellhead looked at before closing.
What is the arsenic limit, and can I boil it out?
The Iowa and U.S. EPA health standard for arsenic in drinking water is 0.010 mg/L, or 10 parts per billion. Boiling does not remove arsenic. The State Hygienic Laboratory lists distillation, reverse osmosis, activated alumina and anionic resin as treatments, and suggests testing arsenic speciation to choose the most effective option. If a test is elevated, DNR says you may need to test more often. A buyer who tests the well before closing knows whether arsenic treatment is a consideration for the property.
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