Charah Solutions, Inc. provides environmental services to the power generation industry in the United States. The company offers remediation and compliance services, including environmental management of landfills for coal-fired power generation facilities and new and existing ash ponds and active pond management services, such as closure by removal, cap-in-place, and design and construction of new ponds. Its remediation and compliance services also include landfill development, construction, and management site evaluation and characterization preliminary design and cost estimates with life-cycle analysis hydrogeological assessment groundwater and containment modeling permit application and processing for expansions and greenfield sites design engineering construction of landfills and cap and cover systems conversion of impoundments to landfill sites quality assurance and control, and documentation engineered fills (off-site) and other related services. In addition, the company recycles recurring and contracted volumes of coal-fired power generation waste byproducts comprising bottom ash, fly ash, and gypsum byproducts for the use in various industrial purposes. Further, it provides coal ash management services fossil services that include silo management, on-site ash transportation, and capture and disposal of ash byproduct from coal power operations and manages combustion byproducts comprising bottom ash, as well as disposal of flue gas desulfurization gypsum, Pozatec/fixated scrubber sludge, and fluidized bed combustion fly ash and environmental risk transfer services that manages the sites' remediation requirements. Charah Solutions, Inc. was founded in 1987 and is headquartered in Louisville, Kentucky.