Section 28F.12 - Additional powers of the entity1. If the entity is comprised solely of cities, counties, and sanitary districts established under chapter 358, or any combination thereof, the entity shall have in addition to all the powers enumerated in this chapter, the powers that a county has with respect to solid waste disposal projects.2. If the entity is comprised solely of cities, counties, and sanitary districts established under chapter 358, or any combination thereof, it is a governmental entity with respect to projects undertaken pursuant to chapter 418 and may exercise all of the powers of a governmental entity under that chapter in connection with a flood mitigation project. Unless otherwise provided in chapter 418, if the entity is undertaking a flood mitigation project as a governmental entity under chapter 418, the provisions of chapter 418 shall prevail over any conflicting provision in this chapter.