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Black Fly - Participating Counties

Black Fly - Participating Counties for 2023

The following 37 counties are participating in the Pennsylvania Black Fly Suppression Program:

  • Adams
  • Armstrong
  • Berks
  • Bradford
  • Bucks
  • Cambria
  • Chester
  • Clarion
  • Clearfield
  • Clinton
  • Columbia
  • Cumberland
  • Dauphin
  • Elk
  • Fayette
  • Forest
  • Huntingdon
  • Indiana
  • Juniata
  • Lackawanna
  • Lawrence
  • Lebanon
  • Lehigh
  • Luzerne
  • Lycoming
  • Mifflin
  • Montgomery
  • Northampton
  • Perry
  • Schuylkill
  • Snyder
  • Union
  • Venango
  • Warren
  • Westmoreland
  • Wyoming
  • York