The following waste discharge permit actions are not subject to the requirements of RCW 43.21C.030(2)(c):
(1) For existing discharges, the issuance, reissuance, or modification of a waste discharge permit that contains conditions no less stringent than federal effluent limitations and state rules;
(2) The issuance of a construction stormwater general permit under chapter 90.48 RCW for a proposal disturbing less than five acres. The exemption in this subsection does not apply if, under rules adopted by the department of ecology, the proposal would otherwise be subject to the requirements of RCW 43.21C.030(2)(c).