Stream Gaging

About

The stream gaging program, in partnership with the U.S. Geological Survey (USGS), supports the efficient and timely operations of the water supply programs of the state, supports the needs of the water users of the state, and is used as a monitoring tool to ensure sufficient river flows for water uses. The stream gaging network enables the monitoring of surface water quantity and quality, which can be used for water resource planning and management.

See the monitoring dashboard, here.

Updated: 1/8/2026