The Agricultural Operations Department at the University of California, Riverside manages a complex irrigation system. Drip, furrow, mini-sprinkler and impact-sprinkler systems are used to irrigate approximately 500 acres of tree, vine, vegetable, turf and ornamental research plots. Multiple sources of irrigation water such as, reservoirs, domestic pipelines and a canal add to the complexity of the system. Over the 100 year history of the station many pipelines and valves have been installed, added, modified, and abandon which has complicated the operation, maintenance and repair process. To assist in the management of the irrigation system it was determined that a document was needed to be used as a source of information for locating and identifying hundreds of valves, pipelines and irrigation clocks. The multi-faceted approach to record these locations includes digital photography, global positioning system technology, and computer assisted design and digital image manipulation computer software. Vital information concerning irrigation system equipment and operation is included to provide managers with the most comprehensive document possible.
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