In 2011, the US Envronmental Protection Agency (EPA) and the Army

In 2011, the US Envronmental Protection Agency (EPA) and the Army Corps of Engineers (ACE) , under President Obama's direction, created a proposal to administratively determine which _____________ are, and are not, covered under the 1972 Clean Water Act's (CWA's) regulations.

A) privately-owned ditches
B) Waters of the US (WOTUS)
C) ponds and raceways
D) publicly-owned ditches
E) puddles and raindrops