Civil Engineering Reference
In-Depth Information
Area in 1,000 Acres
100
80
60
40
20
0
260
250
240
230
220
210
200
0
400
800
1200
1600 2000
Capacity in 1,000 Acre-Feet
Fig. 8-5.
Typical reservoir area and capacity curves
Site Selection
The selection of a suitable site for a reservoir depends upon a number of interrelated
factors that establish the adequacy, economy, safety, and palatability of the supply.
The surface topography should create a high ratio of water storage to dam volume.
The topography should also present a favorable site for an adequate spillway to pass
the flood flow and a suitable route for an aqueduct or pipeline.
The subsurface geology should provide useful materials for the construction of the
dam and appurtenant structures, safe foundations for the dam and spillway, and tight-
ness against seepage of the impounded waters beneath the dam and through its abut-
ments.
