Cloudy tap water, also known as white water, is caused by air bubbles. It is completely harmless. The best thing to do is let tap water sit in an open container until the bubbles naturally disappear.
If you need more time to pay your bill, please call BWSC's Collections Department at (617) 989-7070. BWSC can arrange a payment plan, allowing you to pay your bill over a period of time.