The department shall prepare a fact sheet for each discharge for which it proposes to issue a WPDES individual permit under s. 283.31, Stats., a storm water permit under s. 283.33, Stats., or a general permit under s. 283.35, Stats. A fact sheet does not need to be prepared for each facility that is granted coverage under a general permit that covers a specific category of discharge.
Wis. Admin. Code Department of Natural Resources NR 201.02