Childs-Irving Hydroelectric Project, Childs System, Stehr Lake & Dams, Forest Service Road 708/502, Camp Verde, Yavapai County, AZ. Surveyed as HAER AZ-65-Y, with a 655-word written history.
“Stehr Lake was constructed to provide a reservoir of water to allow the Childs Power Plant to continue to generate power during a flume outage on the Childs system.”
Written record, HAER AZ-65-Y survey. Machine-read text.
Surveyed by the federal HAER program as HAER AZ-65-Y · the record runs 655 words · one of 63 surveyed structures published for this county.
Source document Quoted word for word from HAER AZ-65-Y. Not written, edited or summarised by this site.
Childs Station No. Forest Service Road Camp Verde vicinity, Yavapai County, Arizona. USGS Payson Quadrangle, UTM Coordinates: Inlet Darn: NAD 27 Zone 12 438891.907E - Outlet Darn: NAD 27 Zone 12 438525.0426E - Date of Construction: Engineer: Iva Tutt; Francis S. Viele; Raymond S. Masson.
Source document Quoted word for word from HAER AZ-65-Y. Not written, edited or summarised by this site.
Stehr Lake was constructed to provide a reservoir of water to allow the Childs Power Plant to continue to generate power during a flume outage on the Childs system. The reservoir also served as a settling pond for silt in the Fossil Creek water. The presence of an ancient lake bed made construction of this system possible, providing a substantial basin for the reservoir between two containment darns.
Source document Quoted word for word from HAER AZ-65-Y. Not written, edited or summarised by this site.
Between February and November Arizona Public Service (APS) and SWCA Environmental Consultants documented the hydroelectric complex, under guidance of the Historic American Engineering Record (HAER). Project managers Phil Smithers (APS) and Linda Martin (SWCA) coordinated historian Steely, photographer Jessica Maggio, and draftsman Hanson Todachine to complete the HAER documentation. Archives for the Childs-Irving Hydroelectric Project are at APS in Phoenix, Arizona. CHILDS-IRVING HYDROELECTRIC PROJECT, CHILDS SYSTEM: STEHR LAKE AND DAMS HAER No.
AZ-65-Y (Page 2) Historic and Engineering Context: The Childs-Irving Hydroelectric Project encompassed a unique system-according to engineering historians evaluating the historic complex since 1976-that 1) was constructed with great effort in an extremely remote landscape, 2) captured a natural water source and followed dramatic topography, 3) generated electric power in a remarkably simple and efficient manner, and 4) operated continuously for 95 years.
In addition to its individual significance nationwide, the Childs-Irving Hydroelectric Project is a classic part of Arizona history spanning the century: remote low-grade mining operations sought reliable and less-expensive energy; a combination of investors, entrepreneurs and engineers modified a natural resource to supply the energy; cutting-edge technology entered a harsh and remote landscape; an isolated labor force merged those with skills learned far away with local residents, including Native Americans with traditional ties to the land; nearby communities soon offered an additional customer base; farmers and irrigation cooperatives became major consumers for their pumps and agricultural machinery; distant metropolitan areas boomed by tapping the energy source; and finally a conservative operational approach to investment and maintenance retained aging technology within a huge modern power grid for many, many years past a reasonable retirement.
Character Defining Attributes Component/Feature No.38 on National Register form. Stehr Lake was formed upon a natural depression near Fossil Creek canyon through construction of two earthen dams at each end of the depression: Upper Stehr Lake Dam, forming the reservoir's north containment, and Lower Stehr Lake Dam, roughly south. The reservoir covered acres to a maximum depth of feet for a maximum capacity of 287 acre-feet ofreservoir. (Effland and Macnider CHILDS-IRVING HYDROELECTRIC PROJECT, CHILDS SYSTEM: STEHR LAKE AND DAMS HAER No. AZ-65-Y (Page 3) APS Photo Library# 111 Bibliography Arizona Public Service (APS) Archives Historic photograph collection. Historic drawings collection. Historic documents collection. Available through appointment at: APS, P .0.
Box Phoenix, Arizona Effland, Richard W., and Barbara S. Macnider Childs-Irving Hydroelectric Facilities. National Register of Historic Places Registration Form. U.S. Department of the Interior, National Park Service. Washington, Neal, and Linda Martin Childs/Irving Hydroelectric Decommissioning Project, Historic Properties Management Plan Prepared for APS/Generation Engineering. SWCA Environmental Consultants. Flagstaff. CHILDS-IRVING HYDROELECTRIC PROJECT, CHILDS SYSTEM: STEHR LAKE AND DAMS HAER No. AZ-65-Y (Page 4) Drawing "Proposed Location of Darns" circa CHILDS-IRVING HYDROELECfRIC PROJECT HAER NO.AZ-65-Y
| Camp Verde, Arizona | The place record: every map, photograph and survey of this town. |
| Yavapai County, Arizona | 336 topographic sheets across the county. |
| Library of Congress record | The original filed report as the survey filed it. |
The federal surveyors worked through Camp Verde building by building. These are the other structures they measured and filed a report on, longest report first.
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