Contamination from Natural Sources

Protecting groundwater

Well Water Program

Contaminated streams or lakes interacting with groundwater, natural substances.

Stream Infiltration

Contamination Evidence

  • Odors in well water.
  • Other changes in well water quality.
  • Detection of excessive bacteria or chemicals in well water tests.

Causes

  • Polluted stream or lake water enters well.

Prevention

  • Locate well away from stream or lake.
  • Test well water regularly for potential contaminants.
  • Change to public water supply if feasible.


 

Natural Substances

Contamination Evidence

  • Bad taste or odor in well water.
  • Stains on water fixtures.
  • Detection of unacceptable levels of substances in well water tests.

Causes

  • Natural soil or rock conditions.

Prevention

  • Avoid areas where natural groundwater problems exist, if feasible.
  • Use water treatment devices.
  • Change to public water supply, if feasible.