ASDSO Dam Safety Toolbox

Watershed Delineation

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“For most hydrologic studies, it is essential that good topographic maps be used. It is important that the maps contain contours of ground-surface elevation, so that drainage basins can be delineated and important features such as slopes, exposure, and stream patterns can be measured”.[1]

Best Practices Resources

Hydrology National Engineering Handbook: Chapter 6- Stream Reaches and Hydrologic Units (Natural Resources Conservation Service)


Citations:

  1. ↑ EM 1110-2-1420 Hydrologic Engineering Requirements for Reservoirs, USACE, 1997


Revision ID: 3643
Revision Date: 09/17/2022

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