LOCATION AND DESCRIPTION:
Cave Buttes Dam was constructed by USACE and completed in 1980 under local sponsorship by the Flood Control District of Maricopa County (FCDMC). It is located on Cave Creek Wash in Maricopa County, Arizona near Cave Creek Road, about 17 miles north of downtown Phoenix. More than one million people from five differentmunicipalities reside within the dam failure inundation area of Cave Buttes Dam, highlighting the importance of this critical flood control infrastructure. Clear seepage has been observed at the left abutment of the Cave Buttes Dam main embankment on two separate occasions. The dam provides flood protection for the population, infrastructure and development located downstream. This includes tens of thousands of residents, over 300,000 buildings (including critical infrastructure and government buildings), water and wastewater treatment plants, multiple utilities and major highways (I-17, I-10, US60, Loop 101, MC85).
AUTHORIZATION: WRDA 2018 Section 1201(1)
ACTIVITIES FOR FY 2023: Coordinate with prospective Non-Federal sponsor for new LOI.
IIJA ACTIVITIES: N/A
FY 2024 PLANNED ACCOMPLISHMENTS: Optimal funding could be used for scoping and FCSA execution.
ISSUES AND OTHER INFORMATION: Not started.
FINANCIAL SUMMARY:
As of: 1 Mar 23 INVESTIGATIONS
Estimated Federal Cost $1,500,000
Estimated Non-Federal Cost $1,500,000
Total Estimated Project Cost $3,000,000
Allocation thru FY22 $0
President’s Budget for FY23 $0
Conference Add for FY23 $0
Approved IIJA FY22 $0
Workplan for FY23 $200,000
President's Budget for FY24 $0
Approved IIJA FY24 $0
Workplan for FY24 TBD
Balance to Complete After FY24 $1,300,000
CONGRESSIONAL INTEREST: Senator Kelly and Sinema, Representatives Schweikert (AZ-01), Gallego (AZ-03), Lesko (AZ-08)
U.S. ARMY CORPS OF ENGINEERS – LOS ANGELES DISTRICT
915 WILSHIRE BLVD., SUITE 1109, LOS ANGELES, CA 90017
http://www.spl.usace.army.mil