CMG Drainage Engineering is a Civil Engineering consulting company located in Tucson, Arizona, United States. Since its formation in 1986, CMG has provided water resource engineering services to the public and private sectors throughout Central and Southern Arizona. Projects are managed and conducted from our Tucson office at 3555 North Mountain Avenue. Full-time staff consists of four registered professional engineers, and two CADD designers. CMG’s service lines include hydrologic and hydraulic analyses for public transportation and private development projects; flood insurance studies, scour and erosion control, preparation of urban flood control improvement plans, river and basin management plans, Storm Water Pollution Prevention Plan’s, and processing of Clean Water Act Section 401, 402 and 404 permits. CMG is an on-call consultant to the Town of Marana, the Pima County Regional Flood Control District, the Pima County Department of Transportation, and has also served as a consultant to the Flood Control District of Maricopa County to provide engineering and environmental permitting services. CMG is a certified Small Business Enterprise (SBE) in the City of Tucson and Pima County specializing in Civil Engineering (#541330), Environmental Consulting & SWPPP (#541620). CMG is also a ADOT recognized Small Business Concern (SBC), AZ UTRACS # 17981, NAICS Code 541330.