The Department of Agriculture Rural Utilities Service awarded $4,749,002.06 to MNI Waste-Water Co on September 25, 2025, under the Water and Waste Disposal Systems for Rural Communities program (CFDA 10.760). The award funds domestic water infrastructure serving Eagle Butte, South Dakota, with performance through September 25, 2027. MNI Waste-Water Co, a tribally owned and minority-owned water utility operating on the Cheyenne River Sioux Tribe reservation, will use the funding to expand water distribution and access for rural communities in the region. The company has a track record of securing federal infrastructure grants; a concurrent Bureau of Reclamation award is funding construction of water distribution pipelines and residential connections to 37 homes northwest of Eagle Butte.