Aquaculture Engineering

Water supply systems - Types of canals

Unit 11 - Water distribution and control structures

Water supply systems
Canals

Types of canals
Different types of open channels are used to transport water to fish farms. They are divided into four types in fish farms depending upon their purpose or use.

Feeder canals
These are the canals used to supply water from the main water intake to the fish ponds. In a large farm with several diversion pond units there is usually a main feeder canal branching into secondary and even tertiary feeder canals.

Diversion canals
These canals are used to divert the required amount of water to fish ponds or to divert excess amount of water from (ponds) source.

Drainage canals
These canals are used to remove the unwanted or polluted water from fish ponds.

Protection canals
To divert run off water away from fish ponds or channels which carrying the water to ponds.