
Whychus Creek has provided irrigation water to farmers in Three Sisters Irrigation District in Central Oregon since 1888, but through inefficient canal systems that lose up to 50 percent of the water before it reaches the farms. To remedy the problem, Three Sisters Irrigation District (TSID) chose to eliminate seepage losses by piping their main canal with twin 54-inch high-density polyethylene (HDPE) pipes. The water that was typically lost in the canal that flows through …


