Antidegradation shall apply to:
- (a) Any proposed new or increased activity, including point source and nonpoint source discharges of pollutants, that would lower water quality or adversely affect existing or designated uses;
- (b) Any proposed increase in loadings to a waterbody when the proposal is associated with existing activities;
- (c) Any increase in flow alteration over an existing alteration; and
- (d) Any hydrologic modifications, such as dam construction and water withdrawals.
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