Mni Wiconi Rural Water Supply Project

Mni Wiconi Project
CFDA 15.522 Active Cooperative Agreements (Discretionary Grants)
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Program Funding

Annual program obligations reported to SAM.gov.

Latest annual funding (estimated)
$18.3M FY2026
$92.9M
FY24
$32.8M
FY25*
$18.3M
FY26*
* estimated

Funded Projects

Examples of what this program has supported.

FY2024 Projects funded this year include the Operation and Maintenance programs for the Oglala Sioux Tribe, Rosebud Sioux Tribe and the Lower Brule Tribe
FY2025 Planned projects for FY 25 include the Operation and Maintenance programs for the Oglala Sioux Tribe, Rosebud Sioux Tribe and the Lower Brule Tribe

Program Objective

To ensure a safe and adequate municipal, rural, and industrial water supply for the residents of the Pine Ridge Indian, Rosebud Indian, and Lower Brule Indian Reservations in South Dakota; to assist the citizens of Haakon, Jackson, Jones, Lyman, Mellette, Pennington, and Stanley Counties, South Dakota, to develop safe and adequate municipal, rural, and industrial water supplies; to promote the implementation of water conservation programs at these locations; to provide certain benefits to fish, wildlife, and the natural environment of South Dakota; and in consultation with the Oglala, Rosebud, and Lower Brule Sioux Tribes, to conduct feasibility studies on the need to develop water disposal facilities and systems and rehabilitate existing waste water disposal facilities and systems on the Pine Ridge, Rosebud, and Lower Brule Indian Reservations.

Eligibility

Eligible Applicants

  • Federally recognized tribes
  • Native American organizations

West River/Lyman-Jones Water Systems; the Oglala, Rosebud, and Lower Brule Sioux Tribes; and non-Federal entity or entities. Section 3(b) of Public Law 100-516 states “the Secretary, with the concurrence of the Oglala Sioux Tribal Council, shall enter into agreements with the appropriate non-Federal entity or entities for planning, designing, constructing, operating, maintaining and replacing the Oglala Sioux Rural Water Supply System.”

Beneficiaries

  • 20
  • 9

The citizens of the southwest quarter of the State of South Dakota, including the Oglala, Rosebud, and Lower Brule Indian Reservations.

How to Apply

Application Procedure

At the present time, program funding is limited to amendments of existing agreements. Amendments to incorporate annual work plans and budgets are negotiated annually.

Award Procedure

Once the parties agree with their respective annual scopes of work and budgets, the Bureau of Reclamation's Missouri Basin Region finalizes the modifications. Responsibilities for needs assessments, feasibility and environmental studies, design, conservation measures and administration are to be included in agreements negotiated under this authority.

Program details & compliance

Use of Funds

Allowed Uses

Agreements are limited to planning, designing, constructing, operating, maintaining, and replacing the Oglala Sioux, the Rosebud, and the Lower Brule Sioux Rural Water Supply Systems; and for planning and construction of the West River/Lyman-Jones Rural Water System. At the present time, no new project awards are being made under this authority. Funding is only available for continuation of existing agreements.

Required Documentation

Agreements for construction of projects entered into for the West River/Lyman-Jones Rural Water Systems must be in accordance with the final engineering reports submitted by each project applicant.

Matching Requirements

The Federal share of tribal projects is 100 percent. The Federal share of the West River/Lyman Jones projects is 80 percent. (Public Law 103-434, Section 805).

Reporting & Compliance

Applicable 2 CFR 200 Subparts

  • Subpart B — General Provisions
  • Subpart C — Pre-Federal Award Requirements
  • Subpart D — Post-Federal Award Requirements
  • Subpart E — Cost Principles
  • Subpart F — Audit Requirements

Contacts

Anita Lopez — Senior Grants & Agreements Specialist
406.447.7619
Bureau of Reclamation, 2021 4th Avenue North, PO Box 36900,, Billings, MT 59107-6900
Data from SAM.gov Federal Assistance Listings. Source published: 2025-09-04. Spec v1.0. Last synced: 2026-05-30 02:32:30.