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Well Water Testing · Udell, IA

Water testing in Udell

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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Udell · Appanoose County

Well Water Testing in Udell

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.

Udell is one of the smallest incorporated towns in Iowa, in heavily undermined Appanoose County. Housing here runs to 19th-century and early-1900s houses, very few of them, with essentially no new construction, across the handful of blocks that make up the town and the Appanoose County farm ground around them.

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

Well water in Appanoose County

The Iowa DNR recommends private well owners test for coliform bacteria and nitrate every year and for arsenic at least once. A 1969 Iowa Geological Survey report on neighboring Wayne County described poor groundwater supplies across parts of south-central Iowa. It is decades old and about a different county, so a current test of your own well is the reliable guide.

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

Private wells and water systems around Udell

Udell, IA water testing: septic tank access lid in a lawn a short distance from a well cap in Iowa summer
E. coli: a sign of fecal contamination →
Soldered copper pipe joints on an older water line in an older Iowa basement (Appanoose County, Iowa)
VOCs: fuels, solvents and degreasers →
Udell, IA water testing: kitchen faucet with a water filter attached in a 1940s Iowa bungalow
DRO: a screen for diesel and heating-oil petroleum →

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

Water tests available in Udell

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.

Udell 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 Udell

  • 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 Udell: 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 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. Only a lab test shows what your own well holds.
Can you inspect a house in a town as small as Udell?
Yes — Udell is inside our Montezuma team's range, and the size of the town does not change the number of systems in the house. It does change what is worth paying attention to. There are almost no comparable sales here, so the inspection is doing more of the work of telling you what you are buying. Appanoose County was mined underground from the 1850s until the last county mine closed in 1971, so checking the address against the Iowa DNR public coal-mine map is a sensible free step, and the state runs a subsidence program if it is ever needed. In the house itself, expect stone or early block foundations, layered wiring, and chimneys and plumbing that need dating one at a time. Wells and septic systems get flagged for their own evaluation.
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 a positive coliform or E. coli result mean?
Per the State Hygienic Laboratory, absent coliform and E. coli means the water is bacterially safe. Present total coliform means unsafe with potential health concerns. Present coliform and E. coli means unsafe with serious health concerns, because a pathway from a waste source such as a septic tank or feedlot may exist. Short term, boil water for one minute or use a known safe source, then find and fix how bacteria are entering the system. A coliform result is a lab indicator of a possible sanitary defect, such as a loose cap or poor drainage at the wellhead.
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