Construction of a pipeline or aqueduct from a mainstream Missouri reservoir, the Missouri River itself, or adjacent aquifers to one or more communities in South Dakota is hereby authorized for a main delivery pipeline capable of delivering water sufficient to supply or supplement the needs of the communities and other private or commercial users purchasing water from the communities. Source: SL 1981 (2d SS), ch 2 , § 2; SDCL Supp, § 46-17A-3.5; SL 2004, ch 274 , § 1.