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

This section defines the Dakota Mainstem Regional Water System as the nonprofit corporation established to serve as the non-Federal project entity under the cooperative agreement in section 3(a)(1), reclamation feasibility standards as the eligibility criteria in 43 CFR part 404, and the Secretary as the Secretary of the Interior.

This section authorizes the Secretary to conduct a feasibility study, in consultation with the Dakota Mainstem Regional Water System, for a project to supply municipal, rural, and industrial water to the system's service area in South Dakota, Iowa, Nebraska, and Minnesota. It limits the federal share of study costs to 50 percent, authorizes $10 million in appropriations, and terminates the authority 10 years after enactment.