So the water that comes from the Well is not 100% pure?

Mid sentence Jim exhaled an audible groan and instantly we burst into uncontrolled laughter. The groan just reflected the thoughts echoing in our heads as we bounced, banged and rocked our way along the red clay road in a remote rural area of Cambodia. Our hosts were taking us, no, bouncing us to a village … More So the water that comes from the Well is not 100% pure?