# 119-hr-7331: Dakota Mainstem Water Supply Project Feasibility Study Act

119-hr-7331, Dakota Mainstem Water Supply Project Feasibility Study Act, is a 119th Congress bill sponsored by Rep. Johnson, Dusty [R-SD-At Large] (R-SD); status in_committee; PRIA reads it as touching household money (as of 2026-09-21).

- Canonical: https://policyrisk.com/legislation/119-hr-7331
- As of: 2026-09-21
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-hr-7331
- Congress: 119
- Title: Dakota Mainstem Water Supply Project Feasibility Study Act
- Status: in_committee
- Introduced: 2026-02-03
- Sponsor: Rep. Johnson, Dusty [R-SD-At Large] (R-SD)
- Cosponsors: 0
- Policy area: Water Resources Development
- Touches household money: yes
- Last recorded action: 2026-09-21

## Summary

**A federally backed feasibility study for a Dakota Mainstem regional water supply.** This bill authorizes a study to test whether a project can provide municipal, rural, and industrial water across parts of South Dakota, Iowa, Nebraska, and Minnesota. - Local governments and rural water systems get a formal study to evaluate new municipal and rural water sources across four states. - Industrial users receive an analysis of potential long-term water supply options for their service areas. - The Dakota Mainstem Regional Water System is defined as the non‑Federal project entity and the study must follow federal Reclamation feasibility standards (part 404 of 43 CFR). - The federal share of study costs may not exceed 50% and the bill authorizes $10.0 million in appropriations to carry out the study. - Authority to carry out the study expires 10 years after enactment. *Authorizes $10.0 million in federal appropriations and caps the federal share at 50%, which would increase federal outlays if Congress provides the funding.*

## Provisions PRIA read

- Regional water study for Dakota communities: mixed, low. If enacted, the Interior Department would study whether to build a regional water supply serving parts of South Dakota, Iowa, Nebraska, and Minnesota. The study would be done in cooperation with the Dakota Mainstem Regional Water System, Inc. and must follow federal reclamation feasibility rules (p…

## Related bills

- 119-hr-3633: Digital Asset Market Clarity Act
- 119-hr-6976: Duty Status Reform Act
- 119-hr-2725: Affordable Housing Credit Improvement Act of 2025
- 119-hr-471: Fix Our Forests Act
- 119-hr-4206: CONNECT for Health Act of 2025
- 119-hr-21: Born-Alive Abortion Survivors Protection Act

## Sources
- [119-hr-7331 on Congress.gov](https://www.congress.gov/bill/119th-congress/house-bill/7331)

## Related
- [119-hr-3633: Digital Asset Market Clarity Act](https://policyrisk.com/legislation/119-hr-3633)
- [119-hr-6976: Duty Status Reform Act](https://policyrisk.com/legislation/119-hr-6976)
- [119-hr-2725: Affordable Housing Credit Improvement Act of 2025](https://policyrisk.com/legislation/119-hr-2725)
- [119-hr-471: Fix Our Forests Act](https://policyrisk.com/legislation/119-hr-471)
- [119-hr-4206: CONNECT for Health Act of 2025](https://policyrisk.com/legislation/119-hr-4206)
- [119-hr-21: Born-Alive Abortion Survivors Protection Act](https://policyrisk.com/legislation/119-hr-21)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-hr-7331 (as of 2026-09-21).