The co-operation and contract may be for any or all of the following purposes:

1. (a) Acquisition, extension, or operation of works for irrigation or drainage or development and distribution of electric power or any or all of these purposes.
2. (b) A water supply.
3. (c) Assumption as principal or guarantor of indebtedness to the United States on account of district land.
4. (d) Borrowing or procuring money from the United States to finance any of the operations of the district.
5. (e) Financing or refinancing obligations of the district, including outstanding warrants or other indebtedness.
6. (f) Purchasing or refunding bonds of the district.
7. (g) Accomplishing any of the purposes of the district.
8. (h) Maintenance and operation of works and facilities within or without its boundaries for the protection of land and property from damage by flood or overflow.