The North Dakota Department of Environmental Quality provides information about surface water quality across the state in interactive map form. The map includes:

• Detailed water quality data for lakes, rivers, and reservoirs
• Water quality impairment status for lakes, reservoirs, rivers, and streams
• Detailed hydrology for the state, including all surface water bodies and surficial aquifers

Additional map layers include information on administrative boundaries and the state's air, rail, and road transportation networks.

The data in this map can be downloaded for further use and analysis.

Click here to access the interactive map of surface water quality data for North Dakota.

Source: North Dakota Department of Environmental Quality