S. 3736In markupEnvironment & energy
Interior Dept. ordered to study four-state rural water system
Data as of July 11, 2026
S 3736 directs Interior to study a regional water system for rural SD, IA, NE, and MN, with up to $10M authorized and a 10-year deadline.60-second read · 5 questions answered below
Decoded
What does this do?
S 3736 directs the U.S. Department of the Interior to conduct a feasibility study for a large regional water supply system that would serve communities in South Dakota, Iowa, Nebraska, and Minnesota. The system would be managed by a nonprofit called the Dakota Mainstem Regional Water System. The study does not approve or fund any construction.
Who does it affect?
Residents of rural towns, farms, and businesses in the four-state region who may have limited or aging water infrastructure are the primary people affected. Any future construction would require separate legislation or approvals beyond this bill.
Why does it matter?
The study would determine whether building such a regional water system is practical and affordable before any construction decisions are made. If the study finds the project is not feasible, or if it is never completed, no construction authority exists under this bill.
What does it cost, and who pays?
- Up to $10M authorized for study
- Federal share capped at 50%
- Authority expires after 10 years
Where does it stand?
- Introduced
- Senate committee — You are here
- Senate vote
- House
- President's desk
Right now: a Senate committee is reviewing it. If the House changes it, it goes back to the Senate before reaching the President.
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Official title
Dakota Mainstem Water Supply Project Feasibility Study Act
- Introduced:
- January 29, 2026
- Latest action:
- June 10, 2026
Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.
Read the official bill on Congress.govMake the call
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