Surface waters in Arizona are protected and improved based on their designated uses. These designated uses support aquatic life, wildlife and activities, such as drinking water or recreation. Some waters may have multiple designated uses. The designated uses are measured against established water quality standards protective of the designated use | Learn More >

ADEQ protects and enhances Arizona surface water bodies for their designated uses through:

• Permitting | View SWP Permits >
• Surface Water Quality Standards | Learn About Standards >
• Monitoring and Assessment | View >
• Watershed Improvement | Learn About Watersheds >