OREGON STATE UNIVERSITY

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Wells

Wells

Wells are potential pathways for contaminants to enter groundwater.

Contamination Evidence:
  • Detection of high bacteria levels in well water tests.
  • Well water turbidity.
  • Detection of other contaminants in well water tests.
Causes:
  • No well casing or leaky casing.
  • Well cover not watertight.
  • Open abandoned wells.
  • Groundwater movement from contaminated to uncontaminated wells.
Prevention:
  • Watertight well cover.
  • Tight well casing.
  • Tight plumbing connections.
  • Identify and seal abandoned wells.