Clean Water Act, 33 U.S.C. §1251 et seq. (1972)
Safe Drinking Water Act, 42 U.S.C. §300f et seq. (1974)
There are many federal laws and regulations that affect water quality, distribution and managment. Below are just a few of the most significant. For a more comprehensive list, see the U.S. Environmental Protection Agency's Water Laws, Regulations and Treaties page.
Federal Reserved Water Rights and State Law Claims, U.S. Department of Justice, Environment and Natural Resources Division
"An Introduction to Water Law", U.S. Library of Congress, March 27, 2014
Water Law Overview, National Agricultural Law Center