Dakota Mainstem Water Supply Project Feasibility Study Act

Sponsor: Dusty Johnson (Republican-SD)February 3, 2026

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Introduced

In Committee

Passed One Chamber

Passed Both Chambers

Signed into Law

Referred to the House Committee on Natural Resources.

Would launch a study to explore new water sources for four Midwest states.

This bill would allow the Secretary of the Interior to study a new water project. The study would look at whether a large water system could supply homes, farms, and businesses in parts of South Dakota, Iowa, Nebraska, and Minnesota. The federal government would cover up to half of the study's cost.

What Would Change

Currently, there is no federal authority or funding specifically for a study on a Dakota Mainstem Regional Water System water supply project. If this bill passes, the Secretary of the Interior would be allowed to conduct such a study, with federal funding authorized to cover up to half of its cost, exploring a potential new water source for four Midwest states.

Key Provisions

Would allow the Secretary of the Interior to study the possibility of building a water supply project.
Directs the study to focus on supplying water to homes, farms, and businesses in parts of South Dakota, Iowa, Nebraska, and Minnesota.
Limits the federal government's share of the study's cost to no more than 50 percent.
Authorizes $10 million to be appropriated to pay for the study.
Ends the authority to conduct this study 10 years after the bill becomes law.

View on Congress.gov

HR 7331 · 119th Congress · February 3, 2026 · AI Summary by gemini-2.5-flash · 10/10

Dakota Mainstem Water Supply Project Feasibility Study Act

What Would Change

Key Provisions

Lobbying Activity