It’s important to use water wisely. While yes, we have big oceans, and yes it rains, water is limited. Over the years  water supplies have remained at basically the same level but demand has further and further increased, which is where we’re going to run into problems.

As noted in the award-winning documentary FLOW…

Of the 6 billion people on earth, 1.1 billion do not have access to safe, clean drinking water (www.charitywater.org).
The U.S. Environmental Protection Agency currently does not regulate 51 known water contaminants (www.foodandwaterwatch.org).
The average American uses 150 gallons of water per day, but those in developing countries …read more