The city's water supplies are running out! What should we do?

A man lost in the desert must take such water as he is offered, no matter who it comes from... - Joe Abercrombie, “The First Law”.

This quote perfectly captures the essence of today's problem in The Book of Plagues. The city's fresh water supplies are running out, and the wells are contaminated with the plague bacillus. People are desperate and willing to do anything for a sip of clean water.

What should be done? I suggest we brainstorm and create an edict by choosing one of three options and writing it in the comments! I will post the results of the most popular edict based on the poll here later... Let's go!