Types of lining material

Initial rate of seepage

Stabilized rate of seepage

Cusecs per million square foot

No Material (Earthen/ Unlined)

22.4

10.26

Cement, Lime and Brick Ballast (1:5:12)

1.05

0.125

Cement and Sand (1:3) Mortar sandwiched between the two

0.507

0.027

4” thick Concrete, Sand and Brick Ballast (1:1:3)

0.367

0.02

4” thick Concrete, Lime, Brick Ballast (5:12:24)

1.223

0.39