Final answer:
To prevent unsafe water from entering the drinkable water supply, installing vacuum breakers, testing water sources, and maintaining drainage cleanliness and greases traps are vital.
Explanation:
To prevent unsafe water from entering the drinkable water supply, installing vacuum breakers is a crucial step. Vacuum breakers help prevent backflow contamination by creating a physical barrier that stops water from flowing back into the drinking water supply.
Testing water sources is also essential to ensure water safety. By regularly testing water sources for contaminants and bacteria, authorities can take corrective measures to maintain safe drinking water standards.
Placing grates over drains and keeping grease traps clean are important practices to prevent pollutants and debris from entering the water system and risking contamination.
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