Harb. & Nav. Code, § 6084

(a) Notwithstanding any other provision of this part, the board may borrow money by issuance of promissory notes, or execute conditional sales contracts to purchase personal property, in an amount or of a value not exceeding in the aggregate at any one time the sum of one million dollars ($1,000,000), for the purposes of acquiring land for and constructing or operating any work, project, or facility authorized by subdivision (d) of Section 6012 or Section 6075 or for the making of improvements or the purchase of equipment or for the maintenance thereof.

All moneys borrowed pursuant to this section shall not be borrowed for a term exceeding five years, and the indebtednesses shall not incur a rate of interest in excess of 12 percent per annum. The indebtedness shall be authorized by a resolution of the board of commissioners adopted by a two-thirds vote of the members of the board.

As a condition precedent to the borrowing of any money or the execution of any conditional sales contract, as provided in this section, in excess of one hundred thousand dollars ($100,000), the board shall first by a two-thirds vote approve by resolution and have on file a report on the engineering and economic feasibility relating to the project contemplated for the expenditure of the borrowed money or conditional sales contract. The feasibility report shall be prepared and signed by an engineer or engineers licensed and registered under the laws of the State of California.

The district shall budget, levy, and collect taxes and pay for all indebtedness without limitation by any other provision of this part.

(b) Subdivision (a) does not apply to any money borrowed from any agency or department of the United States government or of the State of California.