There is no BIA Agency located on this reservation. The Federal program and services are provided by the Flandreau Santee Sioux Tribe, if you have any questions please contact the tribe..

8:00 A.M. – 5:00 P.M.

Flandreau Santee Sioux Tribe
Anthony Reider, President
P.O. Box 283
603 W. Broad Ave.
Flandreau, South Dakota 57028

Telephone: (605) 997-3891
Telefax: (605) 997-3878
Website: https://fsst-nsn.gov/

 Flandreau Santee Sioux Tribe logo

Trust Land Base: 2,184 acres

Estimated Tribal Enrollment: 736

The Flandreau Santee Sioux Tribe is provided services from the Bureau of Indian Affairs under the direction of the Regional Director. The Tribal Council consists of the Tribal President, Vice President, Secretary, Treasurer, and 4 Trustees. The Tribe provides services to 423 tribal members who live on reservation.

Otters on the Big Sioux River
Otters on the Big Sioux River