Breakdown Reservoir   Be the first to submit input for Breakdown Reservoir. If you have info on Breakdown Reservoir, Owyhee County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Breakdown Reservoir.   Whitewater Near Breakdown Reservoir: Owyhee River, OwyheeCounty, 13 miles away       Class III - 36 miles long (Crutcher's Crossing to Three Forks) Owyhee River - South Fork, OwyheeCounty, 14 miles away       Class II-III - 36 miles long (El Paso pipeline)