(1) The department may issue national pollutant discharge elimination system permits associated with nonnative marine finfish aquaculture only if these activities are performed under a lease of state-owned aquatic lands in effect on June 7, 2018. The department may not issue national pollutant discharge elimination system permits in connection with any of these activities or operations after the expiration date of the relevant lease of state-owned aquatic lands in effect on June 7, 2018.

(2) For purposes of this section, "state-owned aquatic lands" has the same meaning as defined in RCW 79.105.060.