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Surface Water

A photo of a NEMA Box and Antennas at a gaging station

Monitoring the surface waters of the state is a vital component in understanding and managing our water resources.

The Department maintains a network of more than 250 stream, reservoir, and canal monitoring sites, which collect and periodically transmit surface water data values.

Click here to read more about the Streamflow and Surface Water Monitoring Program

WRD Programs Supported by Gage Data

ProgramUse
Water Availability Determine amount of surface water available for allocation
Peak Flow EstimationProvide information about flood magnitude and frequency
Seasonally Varying FlowsEstimation of environmental and habitat-forming flows important for establishing permit conditions of water rights
Water Management Distribution and regulation of water uses
Place-Based PlanningAssist communities with establishing approaches to basin water planning
Basin StudiesDevelop water budgets and evaluate surface water-groundwater interactions
ClimateReview local requests for drought declarations and evaluate water supply conditions around the state

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