The provisions of this chapter shall constitute an addition to all other power of the district to borrow money, incur indebtedness, and issue warrants or negotiable notes in connection therewith, and shall not be deemed a restriction or limitation on such other power. A district may issue negotiable notes as provided in this chapter in lieu of the issuance of warrants of the district or for an improvement district as provided in this division.
Ca. Water Code § 36409