Large parts of the country are in drought, clean water is a limited resource, and healthcare is expensive so health problems are better prevented than cured. Streams and water sources are rarely single-state resources and should be seen as national infrastructure. Above all, Flint, Michigan proves the well-being of citizens of the United States are not taken into enough consideration by the leadership of the United States. Lastly, for anybody in the public who says they're for this should take a trek in China and drink from one of their streams. See how you like the taste of mercury, urine, antibiotics, and clothing dyes in all of your water. The only American who can fathom eliminating this rule is an American ignorant of the normal levels of pollution throughout much of the undeveloped world.