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Public Works Engineering

County Engineer: Paul A. Randall-Grutter P.E.
Engineering Division Manager: Keith Elefson, P.E.
COMMON WAYS WATER ERODES SOIL
  • Raindrop Erosion: Raindrop erosion is caused by the direct impact of falling drops of rain dislodging soil particles which are then easily transported by runoff.
  • Sheet Erosion: Sheet erosion is the removal of surface soil by the action of raindrop splash and runoff as water moves in broad sheets over the land.
  • Rill and Gully Erosion: Rill and gully erosion occur when runoff concentrates in rivulets and creates grooves, called rills, in the soil surface.  With sufficient water flow, rills may develop into gullies.
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Rill and Gully Erosion