Tribe trades water litigation for $500M fund and groundwater rights

What it does

This bill ratifies a water rights settlement agreement between the Agua Caliente Band of Cahuilla Indians, the federal government, and California water districts. It confirms the tribe's right to 20,000 acre-feet per year of groundwater, establishes a $500 million trust fund for water infrastructure and management, transfers approximately 3,600 acres of federal land to the tribe, and resolves decades of water litigation by exchanging broad waivers of past claims for guaranteed water access and development funding.

Why we flagged it

The bill's core function is to ratify and implement a negotiated settlement of tribal water rights claims through a combination of water right confirmation, federal funding, land transfer, and broad claim waivers. It is a settlement agreement codified into law, not a deregulation, subsidy, or commemorative measure.

What the text implies

• The tribe waives claims for damages from groundwater overdraft and subsidence occurring before the settlement date, even though those harms may continue to affect the reservation after enactment. This forecloses recovery for past environmental injury.
• Allottees (individual tribal members) must exhaust tribal administrative remedies before petitioning the Secretary of Interior or suing the federal government, creating a gatekeeping mechanism that may delay or prevent individual claims.
• The bill preempts Riverside County property tax on possessory interests (leasehold improvements) but requires the tribe to distribute tax proceeds to other public agencies at rates equivalent to what they would have received under state law—effectively converting tribal tax authority into a pass-through mechanism with limited discretion.
• The Secretary retains approval authority over the tribe's water ordinance amendments affecting allottee rights for an indefinite period, with no sunset, creating ongoing federal oversight of tribal governance.
• Water districts (CVWD and DWA) receive immunity from claims for water quality degradation, RAC (Replenishment Assessment Charge) imposition, and overdraft damages, provided their actions comply with the settlement agreement—a broad liability shield.

Section numbers refer to the bill text the analysis read — linked under Primary records below.

Who it affects

The settlement delivers concrete benefits to the Agua Caliente tribe and its members—secured water rights, substantial federal funding, and land transfer—resolving long-standing disputes. However, the bill requires the tribe to waive broad classes of past claims against water districts and the federal government, including damages for groundwater overdraft and water quality degradation, which forecloses future remedies for harms already incurred. Allottees (individual tribal members with land in

Who stands to gain

• Agua Caliente Band of Cahuilla Indians (water rights, $500M trust fund, ~3,600 acres of land)
• Coachella Valley Water District (conveyance of federal facility land at fair market value, immunity
• Desert Water Agency (immunity from past claims)

Named in the bill

Agua Caliente Band of Cahuilla Indians, Coachella Valley Water District (CVWD), Desert Water Agency (DWA), U.S. Department of Interior, U.S. Department of Treasury, Riverside County, Indio Subbasin, Bureau of Reclamation, Bureau of Indian Affairs, California Desert Protection Act, Santa Rosa and San Jacinto Mountains National Monument Act

Where it stands

2 cosponsors: 1 Democrats, 1 Republicans.

• Apr 22, 2026 — Introduced · Congress.gov: “Introduced in Senate”
• Apr 22, 2026 — Referred to Senate Committee on Indian Affairs · Congress.gov: “Read twice and referred to the Committee on Indian Affairs”
• Jul 29, 2026 — Hearing held · Congress.gov: “Committee on Indian Affairs. Hearings held”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.

Money around this bill

3 lobbying clients named this bill on 3 disclosure filings across 1 quarter, Jun 2026 to Jun 2026. Those filings disclosed $160,000 in lobbying spend. A filing names 3 bills on average, so that figure is what each filing reported, not a share belonging to this bill.

More lobbying clients named this bill than 61% of bills with at least one filing.

Alex Padilla, the sponsor, reported $176,500 in PAC receipts in the 2026 cycle.

• Agua Caliente Band of Cahuilla Indians — $110,000 on 1 filing
• Agua Caliente Band of Cahuilla Indians — $30,000 on 1 filing
• Coachella Valley Water District — $20,000 on 1 filing

Lobbying Disclosure Act filings through Jul 20, 2026. A filing shows who paid to lobby on a bill it names, not what changed.