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ITRC Paper No. P 07-002.  Franklin Gaudi, Daniel J. Howes, and Donalt Ton

Center Pivot Design for Effluent Irrigation of Agricultural Forage Crops

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Balancing the continuous supply of domestic wastewater from effluent treatment plants with fluctuating crop water demands requires unique irrigation design strategies. A key design consideration when utilizing disinfected secondary treated city water is to maximize the re-use of effluent in winter months, when forage crop water demands are low, yet still produce minimal deep percolation. Twenty-seven center pivots in Palmdale, California required new custom-designed sprinkler packages to dispose of approximately 7,000 gallons per minute of treated wastewater. Through innovative design efforts, extensive testing and field experimentation, a standardized package has been adopted by the County Sanitation District of Los Angeles County that enables a highly efficient application of re-use city wastewater without groundwater degradation throughout the year.

 

 

Gaudi, F., D.J. Howes, and D. Ton. 2007. Center Pivot Design for Effluent Irrigation of Agricultural Forage Crops.┬áIrrigation Association 28th Annual International Irrigation Show.  San Diego, CA.  December 9, 2007. 16 pp.


 

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