Tribal Dispute in Colorado Escalates Over Online Sports Betting Following Court Decision

December 2, 2025
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Overview of the Federal Court Ruling and Its Impact on Tribal Gaming Rights

Colorado’s conflict with Native American tribes over the rights to online sports betting has intensified after a federal judge dismissed a lawsuit filed by the Southern Ute and Ute Mountain Ute Tribes. The tribes challenged the state’s regulations concerning online betting, but the court ruling has reaffirmed Colorado’s authority in this matter, drawing strong criticism from tribal leaders who feel the state is neglecting its responsibilities.

Details of the Court’s Decision

In October, a U.S. District Court judge ruled that Colorado is protected by state sovereign immunity and cannot be sued over its online sports betting framework. The court upheld the state’s stance that the determining factor for jurisdiction under federal Indian gaming laws depends on the bettor’s location rather than the placement of tribal servers. Essentially, wagers placed from outside tribal reservations fall under state regulation, even if the betting technology is provided by tribal entities.

The tribes contend that this interpretation undermines their federally recognized rights and excludes them from a lucrative market authorized by Colorado voters in 2019. They argue for the ability to operate their own online sportsbooks exempt from the state’s 10% betting tax, which funds water-related initiatives throughout Colorado. Tribal leaders insist these taxes should not apply to them, asserting that the state’s taxation efforts infringe upon tribal sovereignty.

Growing Frustrations Amid Environmental Concerns

The Southern Ute government responded to the dismissal by expressing that the state’s actions have eroded trust and disrupted collaborative government-to-government discussions. At a tribal council meeting in 2024, Chairman Melvin Baker stated that tribal participation was largely overlooked during the legislative process, with state officials only engaging in the final stages to raise concerns. He described this as a reflection of poor communication and inequity.

Adding to these tensions is an environmental crisis stemming from a significant gas spill on Southern Ute land the previous year. The spill, estimated at nearly 97,000 gallons, contaminated groundwater and posed a threat to the Animas River. Despite online sports betting revenues supporting water projects statewide, the tribe received minimal assistance from the state during the cleanup, leaving them to manage the aftermath independently.

Economic Context and Tribal Responses

Meanwhile, online sports betting continues to generate substantial revenue in Colorado. Recent data indicates over $6 billion in wagers were placed in the last fiscal year, generating approximately $37 million to support water resource protection and supply efforts. The tribal governments are currently considering their next steps but perceive the court ruling as more than a legal setback; it symbolizes a broader struggle for equitable treatment within Colorado’s expanding sports betting industry.