Thalweg : The line of maximum depth in a stream. The thalweg is the part that has the maximum velocity and causes cutbanks and channel migration. As part of bylaw 8285 of the City of Prince George to designate land as flood plain and regulate the development of land that is subject to flooding. “flood construction level” means the Designated Flood Level plus the allowance for freeboard and issued to establish the elevation of the underside of a wooden floor system or top of concrete slab for habitable buildings and areas. In the case of a manufactured home, the ground level or top of concrete or asphalt pad, on which it is located shall be equal to or higher than the above described elevation. “Severe Flood Hazard Area” as delineated on Schedule A includes those areas directly connected to the river channel, where the 200-year flood depth is equal to or exceeds 1 metre above the current ground level.

Dataset Attributes

  • WL 20yr 0cm
    562.51086425 to 579.32971191
  • WL 20yr 60cm
    563.11086425 to 579.92971191
  • WL200yr_60cm
    564 to 582.5
  • WaterlineID
    1 to 58

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