The canals are classified according to:

[1] Their alignment as

[a] Contour canal.

[b] Ridge canal.

[c] Side slope canal.

[2] Their origin and capacity as

[a] Main canal

[b] Branch canal

[c] Major dis-tributary

[d] Minor dis-tributary or minors, sub minors

[e] Water courses or field channels.

Contour canal. …