(6) "Mental health authority" means a local mental health authority created in Section 17-43-301.
(7) "Multicounty local health department" means a local health department that is formed under Section 26A-1-105 and that serves two or more contiguous counties and municipalities within those counties.
(8) "Multicounty united local health department" means a united local health department that is formed under Section 26A-1-105.5 and that serves two or more contiguous counties and municipalities within those counties.
(9) "Single county local health department" means a local health department that is created by the governing body of one county to provide services to the county and the municipalities within that county.
(10) "Substance abuse authority" means a local substance abuse authority created in Section 17-43-201.
(11) "United local health department":
(a) means a substance abuse authority, a mental health authority, and a local health department that join together under Section 26A-1-105.5; and
(b) includes a multicounty united local health department.