Del. Code tit. 16, § 9215

All money received pursuant to the authority of this chapter, whether as proceeds from the sale of bonds or as revenues, shall be deemed to be trust funds to be held and applied solely as provided in this chapter. Any officer with whom, or any bank or trust company with which, such money shall be deposited shall act as trustee of such money and shall hold and apply the same for the purposes hereof, subject to such regulations as this chapter and the resolution authorizing the bonds or notes of any issue or the trust agreement securing such bonds or notes may provide.