Mo. Rev. Stat. § 640.140

The department of natural resources may enter into agreements, contracts, or cooperative arrangements under appropriate terms and conditions with other state agencies, federal agencies, interstate agencies, political subdivisions, educational institutions, local health departments, or other organizations or individuals for the purpose of administering the state drinking water supply program. The department of natural resources may solicit and receive grants of money or other aid from federal and other public or private agencies or individuals for the administration of section 192.320 and sections 640.100 to 640.140 or a portion thereof, to conduct research and training activities or cause them to be conducted, to financially assist in the construction of water works systems or portions thereof or for other program purposes.