Safe yield of a water supply source is the yield that is adequate for?
A. 80% of the year
B. 90% of the year
C. 95% of the year
D. The whole of the year
Correct answer : C. 95% of the year
- Water for meeting the requirements of a community can be obtained from various sources like rain, surface water and groundwater.
- The safe yield of a source of water is defined as the yield that is adequate for 95% of the year.
Ref: Park’s Textbook of Preventive and Social Medicine, 20th edition, p617