Section 217.1 - [Effective until 4/21/2027] Specified activity and specified geographical region(a) Regulations in this subpart apply only to the Sonoma County Water Agency (SCWA) and those persons it authorizes or funds to conduct activities on its behalf for the taking of marine mammals that occurs in the area outlined in paragraph (b) of this section and that occurs incidental to estuary management activities.(b) The taking of marine mammals by SCWA may be authorized in a Letter of Authorization (LOA) only if it occurs at Goat Rock State Beach or in the Russian River estuary in California. 82 FR 13774, 3/15/2017; 87 FR 23111, 4/21/2022 through 4/20/2027