Water Resources

The Regional Flood Control project for the North Santa Cruz Wash is a partnership with the City of Maricopa, Pinal County Flood Control District, Maricopa Flood Control District, and adjacent land owners. The Project’s main goal is intercepting floodwater originating from the south into the new channel and conveying the floodwater through to the northern city limits. Most of the floodwater enters the channel at the upstream end of the project limits with some local watersheds intercepted along the corridor. The project includes a seven-mile long earthen trapezoidal channel, approximately 300 feet wide, 10 to 12 feet deep with 10 foot access roads on both sides. The 100-year design flow is 9,800 cfs.

Wood/Patel responsibilities include the DCR, final and interim design including the preparation of construction plans, special provisions, bid schedule and cost estimates adhering to FEMA guidelines. Wood/Patel is designing the channel to maintain design flood velocities below six feet/second. The widening, relocation and reconstruction of the existing wash is required in several locations including confirming the flood control right-of-way corridor. In addition to the services above, Wood/Patel is in the process of obtaining a CLOMR for the entire project limits and coordinating with the project stakeholders including: the Gila River and Ak-Chin Indian Communities, Pinal County Flood Control District, Maricopa Flood Control District, University of Arizona and adjacent property owners.

Project Highlights

  • 7 mile long earthen trapezoidal channel
  • Modeled to meet 100-year storm
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Location

Maricopa, AZ

Client

A partnership with numerous stakeholders

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