Overview Hamilton Ranches, Visalia, California, is a major walnut, almond and pecan grower. Its primary processes involve picking, hulling and drying the nuts prior to shipment. Challenge Substantial quantities of water are used to wash and convey the nuts during processing. In the past, fresh make-up water was used in the entire process. Water was abundant and was circulated through the system as needed then discharged into a holding pool o

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