Adams and Bunker Reservoir Number 1 is a reservoir located in Weld County, Colorado. It appears on the Hereford NW USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 5,140.58 feet (1,566.85 m) above sea level. The nearest populated place is Hereford, approximately 7.4 miles to the NNE.