Safe yield of a water supply source – SPM MCQ

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

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