US HB5935

Confirms and quantifies the Agua Caliente Band of Cahuilla Indians' water rights at 20,000 acre-feet per year of groundwater from the Indio Subbasin in California, with priority dating to 1876-1877 Executive Orders establishing the reservation

Establishes an Agua Caliente Settlement Trust Fund with $500 million in mandatory federal appropriations across four accounts: Development Projects ($300M), Groundwater Augmentation ($100M), Water Management ($50M), and Operation/Maintenance ($50M)

Authorizes the Tribe to impose a Tribal Possessory Interest Tax on property interests within the reservation, preempting Riverside County's ad valorem property tax, with distributions required to other public agencies at equivalent levels

Transfers approximately 2,742 acres of Bureau of Land Management land into trust for the Tribe and authorizes the sale of approximately 842 acres (Whitewater River Recharge Facility Land) to the Coachella Valley Water District at fair market value

Requires the Tribe and United States (as trustee) to execute waivers releasing water-related claims against the Coachella Valley Water District and Desert Water Agency, with the settlement becoming enforceable only after full funding appropriation and court approval by December 31, 2035