Fact Sheet

Construction - Tucson Drainage Area, AZ

U.S. Army Corps of Engineers, Los Angeles District
Published April 20, 2023

LOCATION AND DESCRIPTION:
The project consists of flood control and ecosystem restoration, which measures within the approximate 12-square mile of Tucson Arroyo/Arroyo Chico watershed in the City of Tucson located in Pima County, Arizona. The  authorized project consists of two detention basin   complexes. One referred to as the Randolph Golf Course Detention Basin complex (upstream on Arroyo Chico in the headwaters of the drainage), and the second referred to as the Park Avenue Basin complex (in the approx. center of the watershed).

AUTHORIZATION: WRDA 1999, Section 101(a) (5); WRDA 2007, Section 3009.

ACTIVITIES FOR FY 2023: Carryover funds will be used to complete an Engineering Design Report and initiate project close out procedures.

FY 2024 PLANNED ACCOMPLISHMENTS: Planned carryover funds would be used to continue project close out.

ISSUES AND OTHER INFORMATION: The total project cost estimate (TPCE) is currently being updated. Increment 3 is the last feature required to complete the Tucson Drainage Area Project. Re-design efforts have been lengthy and have been refined a few times to address potential changes in hydrologic and hydraulic conditions as well as modifications due to sponsor considerations and request. A path forward for project completion will be coordinated with executive leadership between the Corps and the non-Federal sponsor.

SUMMARIZED FINANCIAL DATA:
As of: 1 Mar 23 Construction

Estimated Federal Cost          $48,042,000
Estimated Non-Federal Cost          $25,869,000
Total Estimated Project Cost          $73,911,000
Allocation thru FY22          $48,042,000

President’s Budget for FY23                            $0
Conference Add for FY23                            $0
Approved IIJA FY23                            $0
Workplan for FY23                            $0
President’s Budget FY24                            $0
Workplan for FY24                         TBD
Balance to Complete After FY24                            $0
 

CONGRESSIONAL INTEREST: Senators Kelly and Sinema, Representatives Crane (AZ-02), Gallego (AZ-03), Grijalva (AZ-07)

 

U.S. ARMY CORPS OF ENGINEERS – LOS ANGELES DISTRICT
915 WILSHIRE BLVD., SUITE 1109, LOS ANGELES, CA 90017
http://www.spl.usace.army.mil


Contact
Congressional Liaison
executiveoffice.spl@usace.army.mil