To increase the catchment area of the dam or adding concrete walls . And increasing the floodgates thoroughly. To reduce water shortages and flooding in some areas.
The idea is to process
1)To increase the height and thickness of the dam level and to expand the area around.
2)Calculate the area of support and calculation of water usage achieve a balance.
The current structure of the dam The area is quite inadequate. There is a drain that too much or too little.