Social & Preventive Medicine All of the following are essential for a well to meet the criteria of a sanitary well, EXCEPT: A Located at least 15m away from possible sources of contamination B Consumer responsibility C No user should have to carry water more than 500 metres D A parapet wall up to a height of at least 70-75cm 💡 Explanation All of the following are essential for a well to meet the criteria of a sanitary well, EXCEPT: ✓ Correct Answer: C. No user should have to carry water more than 500 metres