A community sanitary district is formed in the same manner as a sanitary district under chapter 11, except that the board may not approve an application pursuant to section 1101, subsection 3 unless the board finds that:
1. Facilitate compact growth. Creation of the district will facilitate cluster developments or other compact growth patterns;
2. Adequate and efficient. The district will provide for the creation of an adequate and efficient means of collecting, conveying, pumping, treating and disposing of domestic sewage within the proposed district; and
3. Feasibility and public interest. Creation and maintenance of a wastewater collection, treatment and disposal system by the district will be administratively feasible and promote the public health, safety and welfare.
The boundaries of a community sanitary district may be expanded in accordance with section 1162.