- (a) A proposed discharge or activity shall not eliminate any existing uses or the water quality needed to maintain and protect those uses.
- (b) The department shall determine the existing uses for the waters in question using the information provided pursuant to Env-Wq 1708.07.
Source. (See Revision Notes #1, #2, and #3 at chapter heading for Env-Wq 1700) #12042, eff 12-1-16; ss by #14203, eff 2-26-25