Sauk-Suiattle Indian Tribe — Ninth Circuit revived Baker River and marine fishing-rights claims but barred the Skagit River claim

Case
Sauk-Suiattle Indian Tribe v. State of Washington
Court
U.S. Court of Appeals for the Ninth Circuit
Judge
M. Margaret McKeown (Bill Clinton, 1998); William A. Fletcher (Bill Clinton, 1998); Patrick J. Bumatay (Donald Trump, 2019)
Date Decided
August 31, 2026
Docket No.
25-1391
Topics
Tribal Fishing Rights; Treaty Rights; Issue Preclusion; Subject-Matter Jurisdiction
Source
Read the full opinion

Background

The dispute arose from United States v. Washington, the long-running litigation over fishing rights secured by the 1855 Treaty of Point Elliott and related treaties. In 1974, District Judge George H. Boldt issued “Final Decision I,” identifying some tribes’ usual and accustomed fishing grounds and stations, or U&A, while expressly recognizing that those determinations were incomplete. Paragraph 25(a)(6) of the resulting injunction permits a tribe to seek a determination concerning U&A locations not specifically determined in Final Decision I.

The Sauk-Suiattle Indian Tribe invoked that procedure to claim U&A in the Skagit River, Baker River, and specified marine waters. The district court dismissed for lack of subject-matter jurisdiction, concluding that Judge Boldt had specifically determined the tribe’s U&A and excluded unnamed waters. Sauk-Suiattle appealed, arguing that its Baker River and marine claims remained undecided and could be supported by additional historical and anthropological evidence.

The Court’s Holding

The Ninth Circuit affirmed dismissal of the Skagit River claim. Its 2023 decision in Upper Skagit Indian Tribe v. Sauk-Suiattle Indian Tribe had already held that Judge Boldt intentionally omitted the Skagit River from Sauk-Suiattle’s U&A. Because that issue was actually litigated and necessarily decided, issue preclusion barred the tribe from relitigating it through a Paragraph 25(a)(6) request.

The court reversed as to the Baker River and marine waters. It held that Final Decision I did not specifically determine whether Sauk-Suiattle possessed U&A in those waters, so the district court had subject-matter jurisdiction to hear the claims. The panel did not hold that Sauk-Suiattle has fishing rights there; it remanded for the district court to evaluate whether the tribe customarily fished in the claimed waters with sufficient regularity to establish U&A.

Key Takeaways

  • Sauk-Suiattle’s Skagit River claim is barred because the Ninth Circuit previously determined that Judge Boldt intentionally excluded that river from the tribe’s U&A.
  • The Baker River was not specifically allocated by name in Final Decision I, and the record did not establish that Judge Boldt intentionally rejected Sauk-Suiattle’s claim to it.
  • Judge Boldt’s recognition that Sauk-Suiattle’s predecessors traveled to saltwater for marine life did not itself establish marine U&A, but it supported allowing the tribe to present evidence on an unresolved claim.

Why It Matters

The decision preserves Paragraph 25(a)(6) as a mechanism for tribes to establish treaty fishing grounds that Final Decision I did not specifically address. Courts may not treat every omission from the 1974 findings as an intentional exclusion, particularly when doing so would conflict with Judge Boldt’s statement that he determined “some, but by no means all” tribal fishing places.

At the same time, the ruling confirms that a prior determination that a particular waterway was intentionally excluded has preclusive force. Sauk-Suiattle may now prove its Baker River and marine claims on the merits, but it cannot reopen the settled Skagit River issue.

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