U.S. Water Laws and Regulations, U.S. Environmental Protection Agency
Clean Water Act, 33 U.S.C. §1251 et seq. (1972)
Coastal Zone Act Management Act of 1972, especially Section 6217, Coastal Nonpoint Source Pollution Control Program
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.
Marine Protection, Research, and Sanctuaries Act
Executive Order 13547, Stewardship of the Ocean, Our Coasts, and the Great Lakes, President Barack Obama, July 19, 2010
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