Interior to study four-state water supply project feasibility
H.R. 7331 — Dakota Mainstem Water Supply Project Feasibility Study Act · Filed by Dusty Johnson (R-SD) · Introduced Feb 3, 2026 · Hearing held
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What it does
This bill directs the Interior Secretary to study whether a water supply project can feasibly serve municipal, rural, and industrial water needs across South Dakota, Iowa, Nebraska, and Minnesota through the Dakota Mainstem Regional Water System. The federal government would fund up to 50% of the study cost (capped at $10 million), with the nonprofit regional water system covering the rest; the study authority expires 10 years after enactment.
Why we flagged it
The bill's sole operative mechanism is authorization of a feasibility study for a multi-state water supply project, with cost-sharing and a sunset clause. It is a straightforward authorization bill with no hidden provisions or narrow beneficiaries.
What the text implies
- If the study concludes the project is feasible, a follow-up authorization and appropriation bill would likely be needed to fund actual construction, potentially committing federal resources to a large infrastructure project.
- The nonprofit Dakota Mainstem Regional Water System is designated as the non-Federal project entity; its governance structure and accountability to the four-state region are not detailed in this bill.
- The study's scope and timeline are not specified; a 10-year window may be insufficient for comprehensive feasibility analysis of a multi-state water system.
Section numbers refer to the bill text the analysis read — linked under Primary records below.
Who it affects
A feasibility study for regional water infrastructure serves a legitimate public purpose—determining whether a multi-state water supply project is viable. Citizens in the service area stand to benefit from improved water access if the project proves feasible; the study itself imposes no direct cost on ordinary people (federal and regional entity share costs). The 10-year sunset and 50/50 cost-share structure are reasonable guardrails.
Who stands to gain
- engineering and consulting firms (study contractors)
- Dakota Mainstem Regional Water System (nonprofit entity managing the project)
Named in the bill
Secretary of the Interior, Dakota Mainstem Regional Water System, Inc., South Dakota, Iowa, Nebraska, Minnesota, Bureau of Reclamation (implied, via reclamation feasibility standards)
Where it stands
- Feb 3, 2026 — Introduced · Congress.gov: “Introduced in House”
- Feb 3, 2026 — Referred to House Committee on Natural Resources · Congress.gov: “Referred to the House Committee on Natural Resources”
- Apr 29, 2026 — Hearing held · Congress.gov: “Subcommittee Hearings Held”
Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.
How this was measured
Analysis — Quorum's AI read the bill text published by Congress.gov (1,782 characters) on Aug 20, 2026. Section numbers in the findings refer to that text, linked below; transparency and hidden-provision scores are compared against the median of 16,222 analysed bills.
Status and sponsors — Congress.gov's bill record — actions, committee referrals and cosponsors — loaded nightly. The timeline shows status changes, not every procedural action.
As of — page rendered 2026-10-20.
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