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Assistance Listing 15.591

WaterSMART Desalination Construction Program

Department of the Interior · Bureau of Reclamation

Assistance Listing 15.591, “WaterSMART Desalination Construction Program,” is a federal program administered by Department of the Interior. It provides grant assistance. GrantsJunction currently tracks 1 open, 0 forecasted and 0 closed opportunities under this listing. The agency reported $7.59M in obligations for fiscal year 2025.

  • Funding up 189% (FY24→FY25)Actual obligations reported in the SAM.gov listing changed +189% from FY2024 to FY2025. Historical data, not a prediction. calculated by GrantsJunction

Program objective

The Desalination Construction Program provides up to 25 percent cost-shared financial assistance for entities to plan, design, and/or construct ocean or brackish water desalination facilities. Desalination projects help communities to diversify their water supply portfolio by providing new sources of local water supply.

As published in the SAM.gov Assistance Listing.

Current opportunities under 15.591

Eligible applicants (program level)

  • Other

Eligible applicants include States, departments of a State, subdivisions of a State, or public agencies organized pursuant to a state law located within Arizona, California, Colorado, Idaho, Kansas, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, and Wyoming.

Intended beneficiaries: Other.

Program-level eligibility from SAM.gov. Each funding notice sets its own requirements.

Reported obligations by fiscal year

Historical data · not a prediction
FY24$2.63M
FY25$7.59M
FY26$44.1M est.
Source: SAM.gov Assistance Listing 15.591. Hatched bars are agency estimates. These totals do not indicate approval rates.

Frequently asked questions

What is ALN 15.591?

15.591 is the Assistance Listing Number for “WaterSMART Desalination Construction Program.” Assistance Listing Numbers (formerly CFDA numbers) identify federal assistance programs; individual grant opportunities reference the listing they are funded under.

Who can apply under ALN 15.591?

The SAM.gov listing names these applicant types: Other. Each funding notice under the program sets its own eligibility, so check the specific opportunity.

How much funding does 15.591 provide?

The agency reported $7,585,018 in obligations for FY2025 in the SAM.gov Assistance Listing. These are program-wide totals reported by the agency, not a prediction of future awards.