C.R.S. § 32-11-555

(1) Revenues pledged for the payment of any securities, as received by or otherwise credited to the district, shall immediately be subject to the lien of each such pledge without any physical delivery thereof, any filing, or further act. (2) The lien of each such pledge and the obligation to perform the contractual provisions made in the authorizing resolution or other instrument pertaining thereto has priority over any other obligations and liabilities of the district, except as may be otherwise provided in this article or in the resolution or other instrument, and subject to any prior pledges and liens theretofore created. (3) The lien of each such pledge shall be valid and binding as against all persons having claims of any kind in tort, contract, or otherwise against the district irrespective of whether such persons have notice thereof.