ADEQ monitors the ambient water quality in streams, lakes and groundwater throughout the state. Information obtained from ambient monitoring is used to develop water quality standards and to inform the public about Arizona's water quality. Water quantity issues are handled by the Department of Water Resources.
Arizona's Comprehensive Water Quality Monitoring Strategy - For Fiscal Years 2007 to 2017
Ambient River and Stream Monitoring
Ambient Lake Monitoring
Ambient Groundwater Monitoring