rights within the Reservation under this Act, the Compact, and the Law of Administration, and such infrastructure as is necessary to meet programmatic needs. (3) The acquisition of interests in real property for purposes of paragraph (1). (4) To implement the Tribal Water Right through rehabilitation and improvement of agricultural Indian land within the Reservation. (5) To construct and rehabilitate livestock fencing on Indian land within the Reservation. (6) To mitigate and control noxious weeds on land within the Reservation. (7) To plan, design, and construct improvements to irrigation systems on land served by the Flathead Indian irrigation project. (8) To install screens, barriers, passages, or ladders to prevent fish entrainment in irrigation ditches and canals within the Reservation. (9) To plan, design, and construct irrigation facilities on Indian land within the Reservation that is not served by the Flathead Indian irrigation project. (10) To plan, design, construct, operate, maintain, and replace community water distribution and wastewater treatment facilities on the Reservation. (11) To develop geothermal water resources on Indian land within the Reservation. (12) To develop a cultural resources program relating to permitting (including cultural, historical, and archeological reviews, including training and certifications) and related infrastructure necessary to meet programmatic needs. (13) To comply with Federal environmental laws for any use authorized by this section. (14) To repair, rehabilitate, or replace culverts, bridges, and roads of the Flathead Indian irrigation project and any public or Tribal culverts, bridges, and roads that intersect with, or are otherwise located within, the supply and distribution network of the Flathead Indian irrigation project. (h) Liability The Secretary shall not be liable for the expenditure or investment of any amounts withdrawn from the Trust Fund by the Tribes under this section. (i) Expenditure reports Not less frequently than annually, the Tribes shall