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Technician Maintaining SNOTEL site with view of snowy mountains

Snow Survey and Water Supply Forecasting

NRCS hydrologists manage a comprehensive network of manually-measured snow courses and automated Snow Telemetry (SNOTEL) monitoring sites throughout the West, manage the data collection process, and estimate the runoff that will occur when it melts.

Data, Tools, and Reports Available to the Public

Snow and Water Interactive Map
Snow and Precipitation Update Report
Report Generator
Water Supply Forecast Charts
AWDB Web Service Tool
Reservoir Storage

Learn How We Collect Data from Far and Wide

Telemetry and Data Transmission
Manual Snow Monitoring
Automated Snow Monitoring
Automated Soil Climate Monitoring

State Snow Programs

States in the West collect mountain snowpack and precipitation data in their areas, and offer regular reports on those areas utilizing the national database. Individuals, organizations, and state and federal agencies use the information provided for decisions relating to agricultural production, fish and wildlife management, municipal and industrial water supply, urban development, flood control, recreation, power generation, and water quality management.

State websites

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State contact information

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