# 119-s-3723: Western South Dakota Water Supply Project Feasibility Study Act

119-s-3723, Western South Dakota Water Supply Project Feasibility Study Act, is a 119th Congress bill sponsored by Sen. Thune, John [R-SD] (R-SD); status in_committee; PRIA reads it as touching household money (as of 2026-10-04).

- Canonical: https://policyrisk.com/legislation/119-s-3723
- As of: 2026-10-04
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-3723
- Congress: 119
- Title: Western South Dakota Water Supply Project Feasibility Study Act
- Status: in_committee
- Introduced: 2026-01-29
- Sponsor: Sen. Thune, John [R-SD] (R-SD)
- Cosponsors: 1
- Policy area: Water Resources Development
- Touches household money: yes
- Last recorded action: 2026-10-04

## Summary

**A federal feasibility study** to test bringing Missouri River water to the Western Dakota Regional Water System. The bill would define a nonprofit project entity, set cost-sharing rules, cap federal study funding at $10 million, and require a public feasibility report. - Families and towns: Would produce a formal study of using Missouri River water for municipal, rural, and industrial supply, which could lead to new local water plans. - Non-federal project entity: Establishes Western Dakota Regional Water System, Inc. as the project sponsor and requires it to sign financial agreements and cover at least 25 percent of construction costs. - Federal funding and timeline: Limits the federal share of the feasibility study to 50 percent and to no more than $10 million, requires the Secretary to identify funding sources within 90 days, and ends the authority five years after enactment. - Study process and accountability: Directs the Secretary of the Interior, through the Commissioner of Reclamation, to consult Federal, State, Tribal, regional, and local authorities and deliver a publicly released feasibility report with technical and financial determinations and a construction recommendation. *Would increase federal outlays by up to $10 million for the feasibility study, with the federal study share capped at 50 percent and non-federal construction share set at a minimum of 25 percent.*

## Cosponsors (1)

- Sen. Rounds, Mike [R-SD] (R-SD), 2026-01-29T00:00:00.000Z

## Provisions PRIA read

- Western South Dakota water study: mixed, low. If enacted, the Interior Secretary (acting through the Commissioner of Reclamation) would carry out a feasibility study to deliver Missouri River water to the Western Dakota Regional Water System. The bill would name Western Dakota Regional Water System, Inc. as the non‑Federal project partner and…

## Related bills

- 119-s-3752: SAVE America Act
- 119-s-5025: Lindsey O. Graham Sanctioning Russia Act of 2026
- 119-s-1241: Sanctioning Russia Act of 2025
- 119-s-1261: CONNECT for Health Act of 2025
- 119-s-699: Purchased and Referred Care Improvement Act of 2025
- 119-s-558: Antisemitism Awareness Act of 2025

## Sources
- [119-s-3723 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/3723)

## Related
- [119-s-3752: SAVE America Act](https://policyrisk.com/legislation/119-s-3752)
- [119-s-5025: Lindsey O. Graham Sanctioning Russia Act of 2026](https://policyrisk.com/legislation/119-s-5025)
- [119-s-1241: Sanctioning Russia Act of 2025](https://policyrisk.com/legislation/119-s-1241)
- [119-s-1261: CONNECT for Health Act of 2025](https://policyrisk.com/legislation/119-s-1261)
- [119-s-699: Purchased and Referred Care Improvement Act of 2025](https://policyrisk.com/legislation/119-s-699)
- [119-s-558: Antisemitism Awareness Act of 2025](https://policyrisk.com/legislation/119-s-558)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-3723 (as of 2026-10-04).