Legal Definition of navigable waters
: waters that are capable of being navigated (as for commerce) and to which federal admiralty jurisdiction and specific environmental regulations apply it is the national goal that the discharge of pollutants into the navigable waters be eliminated by 1985 — U.S. Code
Learn More about navigable waters
Dictionary: Definition of navigable waters
Seen and Heard
What made you want to look up navigable waters? Please tell us where you read or heard it (including the quote, if possible).