General Info

Riley is a 100% Native-owned licensed civil engineering firm specializing in water-resources engineering. Riley was established in 2017, and is located in Tucson, Arizona. Riley is capable and qualified to perform a wide array of civil-engineering services in the state of Arizona, which include: tribal water planning; site civil design; grading and drainage; surface-water hydrology; surface-water supply studies; flood studies; sediment-transport studies, open-channel hydraulic modeling; water-distribution system design; and storm-drain and wastewater-collection system design. Riley can assist clients through all phases of a project, from preliminary and conceptual planning to final construction. We service various industry types including: residential and commercial development, mining, tribal nations, and local and state municipalities.