The cooperation and contract authorized by NRS 539.270 may be for any or all of the following purposes:
1. Construction of works, whether for irrigation or drainage, or both.
2. Acquisition, purchase, extension, operation or maintenance of constructed works.
3. Water supply.
4. Electric power and transmission lines.
5. Assumption as principal or guarantor of indebtedness to the United States on account of district lands or for the collection of moneys due the United States as fiscal agents or otherwise.