The Hamilton County Department of Environmental Services monitors air quality and regulates industrial air emissions for the counties of Butler, Clermont, Hamilton and Warren in Ohio. The department also provides solid waste management assistance to communities, schools and businesses in Hamilton County, Ohio. Its Air Quality Management Division (AQMD) works with government agencies, businesses, communities and citizens to achieve and maintain healthy air quality in southwestern Ohio. The Hamilton County Department of Environmental Services Solid Waste Management District is an organization responsible for ensuring the county achieves the state mandated recycling and waste reduction goals. The Hamilton County Department of Environmental Services is located in Cincinnati.