Commercial Use of Pesticides

Protecting groundwater

Well Water Program

Contamination Evidence

  • Detection of pesticides in well water tests.
  • Ill effects on animals drinking from nearby wells, springs, or surface water.
  • Ill effects on plants watered with nearby well water.
  • Ill effects on aquatic life.


  • Excessive or ill-timed application.
  • Improper storage.
  • Leaching through soil.
  • Improper disposal of excess pesticides and rinse water.


  • Follow label instructions.
  • Compliance with pesticide certification requirements.
  • Reduce pesticide use in recharge areas for water wells.
  • Encourage alternative pest control methods.
  • Public information and education.