Table 1: The Akosombo Dam
Maximum height from bedrock |
114m |
Height at axis from bedrock |
111m |
Height above tail water level |
73.2m |
Length of main dam at crest |
660m |
Length of saddle dam |
355m |
Width of dam at bed of river |
366m |
Volume of material in main dam |
7,943,520m³ |
Area of lake |
8,502 km2 |
Capacity of lake |
148,000 x 106 m³ |
Shoreline |
7,250km |
Length of lake |
400km |
Height of saddle dam |
37m |
Maximum operating level |
84.73m |
Minimum operating level |
73.15m |
Maximum water level ever recorded |
84.25m on 2nd Nov. 1974 |
Minimum water level ever recorded |
71.86m on 12th June 1984 |
Maximum annual inflow ever recorded |
3,000m³/s in 1963 |
Lowest annual inflow ever recorded |
288m³/s in 1983 |