It is the intent of the Legislature that the provisions of this article shall be in addition to, and not exclusive of, the powers and duties of the revenue improvement district as a local agency under the Revenue Bond Law of 1941, except that where this chapter is inconsistent with the Revenue Bond Law of 1941, the Revenue Bond Law of 1941 is controlling. The municipal water district may do any act for or on behalf of the revenue improvement district authorized by law and the Revenue Bond Law of 1941 not inconsistent with the provisions of this chapter or in derogation of the security of the bondholders.