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Frequent Questions

  1. Ground Water & Drinking Water
  2. (Household) Private Wells

(Household) Private Wells

Are Wells Regulated?

  • Does the EPA track the number of wells by state, specifically for Class V Stormwater  Drainage Wells?
  • Does the Safe Drinking Water Act (SDWA) regulate private household drinking water wells?
  • What are EPA's drinking water testing requirements when buying or selling a home with a private household well?

Well Maintenance

  • The property I live on has a private well. Are there any maintenance recommendations you can give?
  • How can I identify potential sources of pollution for my private household well?
  • We are in the process of buying a house with a well and the present owner shocked the well with bleach. Is there guidance about the practice of shocking a well?
  • What distance does EPA recommend between a household drinking water well and a septic system?

Well Testing

  • My well water tested positive for E. coli. What measures can I take to protect myself?
  • What are reasons to test my private well?
  • We had our well water tested and found 28.2 mg/L of nitrate (measured as nitrate). Is this a safe level?
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