This industry comprises government establishments primarily engaged in one or more of the following: (1) the administration, regulation, and enforcement of air and water resource programs; (2) the administration and regulation of solid waste management programs; (3) the administration and regulation of water and air pollution control and prevention programs; (4) the administration and regulation of flood control programs; (5) the administration and regulation of drainage development and water resource consumption programs; (6) the administration and regulation of toxic waste removal and cleanup programs; and (7) coordination of these activities at intergovernmental levels.

• Environmental protection program administration, public administration
• Waste management program (except sanitation districts) administration, public administration
• Pollution control program administration, public administration
• Water control and quality program administration, public administration

• Enforcement of environmental and pollution control regulations
• Environmental protection program administration
• NOAA (National Oceanic and Atmospheric Administration)
• Pollution control program administration
• Sanitation engineering agencies, government
• Waste management program administration
• Water control and quality program administration