Aquaculture Engineering (2+1)

Maintenance of ponds - Seepage and its control

Unit 5- Construction of Fish ponds

Maintenance of ponds

Seepage and its control
The ponds constructed on porous soils are required to be protected with impervious material to prevent loss of water owing to seepage from the pond. There are many types of pond lining but the type selected should be cheapest combine with its stability, use fullness and efficiency. Pond lining has some other advantages also. Lining prevents growth of weeds and vegetation on the pond surface. It prevents raise of water table and add safety to the pond structure. Clay puddling, brick work with cement mortar, cement concrete and plastic membrane are few methods of pond lining.