Smelter Knolls Reservoir   Be the first to submit input for Smelter Knolls Reservoir. If you have info on Smelter Knolls Reservoir, Millard County, Utah please submit it here to improve this web site.          These outdoors activities are available near Smelter Knolls Reservoir.   Hotels Near Smelter Knolls Reservoir: Days Inn Delta, Delta, 24 miles away Comfort Inn & Suites Fillmore, Fillmore, 46 miles away Best Western Paradise Inn & Resort, Fillmore, 47 miles away