Step 1: Understanding the Question:
This is a regulatory question concerning health and safety standards in a mine, specifically the minimum required distance between drinking water sources and sanitation facilities.
Step 2: Detailed Explanation:
This requirement is specified to prevent the contamination of drinking water and the spread of disease.
According to the Mines Rules, 1955, under Rule 31, which deals with the provision of drinking water, it is stated that:
"Every place where drinking water is provided shall be situated not less than
six metres away from any washing place, urinal or latrine, unless a shorter distance is approved in writing by the Chief Inspector."
Therefore, the legally mandated minimum distance is 6 metres.
Step 3: Final Answer:
The minimum distance required is 6m.
This corresponds to option (A).