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Flandreau Santee Sioux Tribe of South Dakota
Federally RecognizedSD- Official website
- https://fsst-nsn.gov/
- Tribal government contact
- Anthony Reider, President603 West Broad AvenueFlandreau, South Dakota, 57028(605) 997-3891
- BIA region
- Great Plains · Great Plains Regional Office
- Enrollment criteria
- Each Nation sets its own enrollment law. We're still gathering this Nation's criteria — enrollment is determined solely by the Tribe.
- Recognition
- 91 FR 4102 (Jan 30, 2026)
This profile is being built. If you represent this Nation and want to add or correct enrollment information, contact us.
NNBN confirms federal recognition and displays information as published by the Nation and the U.S. government. NNBN does not adjudicate or re-issue tribal enrollment — the Nation is always the sole authority on its membership.