Scour depth definition

Scour depth means the maximum depth of streambed scour caused by erosive forces of the base flood discharge.
Scour depth means the distance below prevailing ground resulting from the erosive action of running water which temporarily or permanently excavates and carries away material from the prevailing ground or channel bed during flooding.

Related to Scour depth

  • Deep well means a well located and constructed in such a manner that there is a continuous layer of low permeability soil or rock at least 5 feet thick located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn.

  • Lot depth , means the horizontal distance between the front and rear lot lines. If the front and rear lot lines are not parallel, "lot depth" means the length of a straight line joining the middle of the front lot line with the middle of the rear lot line. When there is no rear lot line, "lot depth" means the length of a straight line joining the middle of the front lot line with the apex of the triangle formed by the side lot lines.

  • Horizontal well means a well with a horizontal displacement of the well bore drilled at

  • Water well means an excavation that is drilled, cored, bored, augered, washed, driven, dug, jetted, or otherwise constructed for the purpose of exploring for groundwater, monitoring groundwater, utilizing the geothermal properties of the ground, or extracting water from or injecting water into the aquifer. “Water well” does not include an open ditch or drain tiles or an excavation made for obtaining or prospecting for oil, natural gas, minerals, or products mined or quarried.

  • Gas well means a well producing gas or natural gas from a common source of gas supply as determined by the commission.