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ActiveDepartment of the Interior · 2026

WaterSMART Desalination Construction Program

Quick Facts

Agency: Department of the Interior
Funding: Recent federal obligations suggest $79,918,000 (2026).
Deadline: Rolling
Status: Active
Eligibility: 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. Eligible applicant types include: Other.

About This Grant

WaterSMART Desalination Construction Program is sponsored by Department of the Interior. 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.

This listing is currently active. Program number: 15. 591.

Last updated on 2026-01-26.

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Eligibility Requirements

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. Eligible applicant types include: Other.

Frequently Asked Questions

Who can apply for WaterSMART Desalination Construction Program?

According to the current listing, eligibility includes: 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. Eligible applicant types include: Other. Confirm the full requirements in the official notice before applying.

How much funding does WaterSMART Desalination Construction Program offer?

The current listing shows recent federal obligations suggest $79,918,000 (2026). Verify award ceilings, matching requirements, and allowable costs in the official notice.

Is WaterSMART Desalination Construction Program a federal grant?

Yes — WaterSMART Desalination Construction Program is offered by Department of the Interior and this listing comes from SAM.gov, an official U.S. federal source. Federal applications generally require registrations (for example SAM.gov or an agency submission portal), so allow extra lead time.

Which states are eligible for WaterSMART Desalination Construction Program?

This opportunity targets applicants in 17 states, including Arizona, California, Colorado, Idaho, and Kansas. Check the official notice for the full list.

How do I apply for WaterSMART Desalination Construction Program?

Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.

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