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Well Water Testing · Clare, IA

Water testing in Clare

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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Clare · Webster County

Well Water Testing in Clare

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.

Clare is the old Irish Settlement of Webster County, platted in 1882 on the eastern edge of the buried Manson crater. Housing here runs to early-1900s frame homes from the town's Irish Settlement years, with a few postwar additions, across the compact core around St. Matthew's parish.

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

Well water in Webster County

Private wells in Webster 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. DNR also recommends at least one lead test for private water systems. Published county-level well results were not found for Webster County, so testing your own well is the only way to know what is in it.

County facts checked October 2026 against: iowadnr.gov, iowadnr.gov.

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

Water tests available in Clare

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.

Clare 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 Clare: what matters

Clare, IA water testing: abandoned rural gas station near Iowa homes in summer
VOCs: fuels, solvents and degreasers →
Small-town Iowa gas station across the road from homes in summer (Webster County, Iowa)
DRO: a screen for diesel and heating-oil petroleum →
Clare, IA water testing: paint cans and solvent jugs on a shelf in a Iowa garage (no brands) in daylight
Coliform bacteria: Iowa DNR recommends testing every year →

How far a well must be from common hazards in Clare

  • 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 Clare: 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.
When is the best time to test a Webster County well?
Iowa DNR recommends testing at least annually, and also whenever the well is new, after well, pump, or water system service, after a power outage that causes a loss of water pressure, or when the water looks, smells, or tastes different. Keeping a consistent yearly schedule makes changes in results easier to spot.
What is different about inspecting a home in Clare?
Clare peaked at 374 people in 1900 and has 136 today, so nearly every house is old and has been updated in layers. We separate what was genuinely renewed from what was covered over: panels, galvanized supply lines, chimneys, roof layers and foundation repairs. Slow-draining till puts basement moisture and grading on every report, and Webster County's Radon Zone 1 standing puts a 48-hour test on most visits.
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, so ask the county about State Hygienic Laboratory parasite testing if you suspect flood contamination. After a flood, only lab testing shows whether a well is safe, and a wellhead check can note casing or cap damage.
Do I need a permit to drill or replace a private well?
Yes. Under 567 IAC 49.3(3) and Iowa Code 455B.187(2), a landowner cannot construct a new private well without first getting a well construction permit from DNR or a county with delegated authority. A permit is also required for replacement wells and for changes to a well's physical dimensions. The permit requires construction by a certified well contractor, and it is not transferable and expires one calendar year after issuance. A new or replaced well should be tested, and Iowa's rules call for a water sample 10 to 30 days after a new or reconstructed well goes into service.
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