Historic American Engineering Record: Horse Mesa Dam, Maricopa County, Arizona
Author(s): David M. Introcaso
Together, Historic American Engineering Record (HAER) Numbers AZ-14 and AZ-15 describe the origins, development, and expansion of power generation and delivery facilities along the Salt River to service residents of the Salt River Valley. HAER AZ-14 (see https://core.tdar.org/document/393152) presents a full narrative history of the Reclamation Service's and the Salt River Valley Water User's Association's efforts to expand the Salt River Project's hydroelectric program. The report discusses the histories of both Mormon Flat and Horse Mesa dams, and includes photographs, drawings, and maps of Mormon Flat Dam. This report, HAER No. AZ-15, presents photographs, drawings, maps, and/or plans that detail the construction and use of Horse Mesa Dam, which impounds water along the river to form Apache Lake.
Horse Mesa Dam was the second dam constructed under the Salt River Project's 1920's hydroelectric expansion program. Currently, this dam is operated by the Salt River Project for the purposes of generating hydroelectric power and for storing approximately 245,000 acre feet of water for agricultural and urban uses.
This Resource is Part of the Following Collections
- USDI Bureau of Reclamation, PXAO, Historic American Engineering Records (HAER), Salt River Project, Horse Mesa Dam and Mormon Flat Dam: Expansion of Power Generation and Delivery Facilities along the Salt River •
- National Archeological Database (NADB)
Cite this Record
Historic American Engineering Record: Horse Mesa Dam, Maricopa County, Arizona. David M. Introcaso. 1989 ( tDAR id: 393155) ; doi:10.6067/XCV851409M
Horse Mesa Dam
Calendar Date: 1924 to 1927 (Horse Mesa Dam construction)
Calendar Date: 1988 to 1989 (modern era Horse Mesa Dam components and use)
min long: -111.361; min lat: 33.576 ; max long: -111.332; max lat: 33.609 ;
Individual & Institutional Roles
Contact(s): Bureau of Reclamation, Phoenix Area Office
Sponsor(s): USDI Bureau of Reclamation, Phoenix Area Office
Prepared By(s): Salt River Project Archives
Submitted To(s): National Park Service, Western Region
Historic American Engineering Record No.(s): AZ-15
NADB document id number(s): 2203105
NADB citation id number(s): 000000167209
Redaction Note: Sensitive information has been removed from the publicly accessible digital copy of this report. The following figures/photographs have been redacted: Figures/Photographs AZ-15-42 through AZ-15-66. Please contact the archaeologist at the USDI Bureau of Reclamation, Phoenix Area Office to obtain a complete digital copy of the report.
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