Well Water Interpreter

Midwest private wells

Illinois private well water test guide

Learn which results matter, how to read your lab report, and when Illinois homeowners should retest or call a well professional.

Common concerns in IL

  • Nitrate - High nitrate can be dangerous for infants and pregnant people.
  • Hardness - Hard water causes scale, appliance wear, and soap inefficiency.
  • Iron - Iron stains fixtures and laundry and can create metallic taste.

Illinois contaminant pages

Nitrate in Illinois

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Arsenic in Illinois

Interpret arsenic lab results for a private well in Illinois.

Lead in Illinois

Interpret lead lab results for a private well in Illinois.

Total Coliform in Illinois

Interpret total coliform lab results for a private well in Illinois.

E. coli in Illinois

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pH in Illinois

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Hardness in Illinois

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Iron in Illinois

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Manganese in Illinois

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Total Dissolved Solids in Illinois

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Fluoride in Illinois

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Sodium in Illinois

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Sulfate in Illinois

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Chloride in Illinois

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Uranium in Illinois

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Radon in Illinois

Interpret radon lab results for a private well in Illinois.

Keep your well history

Interpret once on the web. Track forever in the app.

Save test history, set annual reminders, compare results over time, and create a shareable report for your family or water professional.

Save Illinois well test results