projects home	Spanish Fork Diversion Structures - Summary The project will involve the evaluation of six existing river diversion structures on the Spanish Fork River to determine modifications that may be required to: Maintain existing water diversion capabilities while adding capability to bypass, and accurately measure, additional Central Utah Project flows downstream to Utah Lake. Create fish passage capability at some diversion locations for the June Sucker, an endangered fish. The District has selected CH2MHill to provide engineering services for the Spanish Fork Diversion Structures Project.