(This measure has not been amended since it was introduced. The summary of that version is repeated here.)
Montana Water Contracts Extension Act of 2004 - Authorizes the Secretary of the Interior to extend specified water contracts in Montana (between the United States and the City of Helena, the Helena Valley Irrigation District, the Toston Irrigation District, the Clark Canyon Water Supply Company, Inc., and the East Bench Irrigation District) until the earlier of: (1) the expiration of the two-year period beginning on the date on which the contract would expire but for this Act; or (2) the date on which a new long-term water contract is executed by the parties to the contract.