The City of Black Hawk Water Department is responsible for providing the entire City of Black Hawk, including residents and visitors, with high quality and safe drinking water. They also provide fire flow protection. Via a variety of water resources, treatment techniques and water plants, this department has used the latest innovation to provide this mountain city with the cleanest and safest water possible.
The Dory Hill Water Treatment Plant treats surface water from North Clear Creek and from various wells and springs up Dory Hill Road. It is a diatomaceous earth filtration plant that uses soda ash for corrosion control and chlorine for disinfection.
The Hidden Valley Water Treatment Plant treats surface water from Clear Creek and is a conventional water treatment plant, meaning it uses coagulation, flocculation, sedimentation, and filtration, before chlorine disinfection. The Hidden Valley Plant can remove iron and manganese from the raw water with special pressure filters that have a proprietary media designed for iron and manganese removal Hidden Valley adds lime, soda ash, and carbon dioxide to aid in the filtration process and for corrosion control. The Water Department maintains several pump stations for pumping raw and treated water. The department monitors the quality of the water, before treatment, during and after the treatment process, and throughout the distribution system. The department regulates flow and pressures in several pressure reducing stations.
