S. 3736 — Dakota Mainstem Water Supply Project Feasibility Study Act

This section defines three terms for purposes of the Act: (1) Dakota Mainstem Regional Water System as Dakota Mainstem Regional Water System, Inc., a nonprofit corporation established and operated substantially in accordance with reclamation feasibility standards to serve as a non-Federal project entity for the cooperative agreement under section 3(a)(1); (2) reclamation feasibility standards as the eligibility criteria and feasibility study requirements in 43 CFR part 404 (or successor regulations); and (3) Secretary as the Secretary of the Interior.

This section authorizes the Secretary, in consultation with the Dakota Mainstem Regional Water System through a cooperative agreement, to undertake a feasibility study for a project to supply municipal, rural, and industrial water to the system's service area in South Dakota, Iowa, Nebraska, and Minnesota. The study must comply with reclamation feasibility standards, the federal share of costs is limited to 50%, $10 million is authorized to be appropriated, and the authority expires 10 years after enactment.