Prewitt Reservoir, reservoir in Washington and Logan counties, Colorado, United States

Prewitt Reservoir is an irrigation and recreation reservoir on the South Platte River, about 18 miles northeast of Fort Morgan, straddling Washington and Logan counties. When full, its surface covers 2,340 acres (950 ha). The reservoir is stocked with walleye, saugeye, channel catfish, wipers and black crappie.

Prewitt Reservoir was financed and built by the Great Western Sugar Company, which began construction in 1910 to secure water for irrigating sugar beets. Work was completed in 1912. The reservoir lies along the South Platte River about 18 miles northeast of Fort Morgan, in Washington and Logan counties.

Prewitt Reservoir was built by the Great Western Sugar Company to irrigate sugar beets, and the water is still managed for irrigation today. Anglers come for stocked walleye, saugeye, channel catfish, wipers and black crappie, a mix of species anglers name when they talk about the lake.

The reservoir lies about 18 miles northeast of Fort Morgan along the South Platte River, reached by gravel roads; there is no official campground, so bring drinking water and expect only vault toilets. A hunting or fishing license, or a SWA pass for visitors over 15, is required.

Prewitt Reservoir was built by the Great Western Sugar Company, which began construction in 1910 and finished in 1912 to irrigate sugar beets. The company's ditch system, including Company Ditch and the Prewitt Outlet Canal, still channels water near the reservoir, which sits at 1,246 m elevation about 18 miles northeast of Fort Morgan.