Contamination from Natural Sources
Protecting groundwater
Well Water Program
Contaminated streams or lakes interacting with groundwater, natural substances.
Stream Infiltration
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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
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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.