Drought Declarations
View drought emergency declarations issued by IDWR and approved by the Idaho governor which apply only to the administrative processing of water right applications.
Groundwater Levels
Learn how IDWR’s Hydrology Section analyzes data to determine regional groundwater level trends, evaluates groundwater availability for new water uses, and identifies areas with declining groundwater levels that might need administrative action.
Groundwater Quality
Discover how the Statewide Groundwater Quality Monitoring Program provides valuable information about Idaho’s groundwater quality to private citizens, consulting companies, and governmental entities.
Hydrologic Projects
Review the comprehensive aquifer planning and management effort conducted by the Idaho Water Resource Board and IDWR including performing technical studies, hydrologic monitoring, measurements, and basin plan development.
Technical Publications
Read reports, water information bulletins, and groundwater quality publications.
Water Diversion Measurement Network
Chart or download the water data collected by IDWR
Water Measurement Guidelines
Understand the guidelines and procedures for collecting water measurement data and reporting the information to IDWR.
Water Rights Accounting
Use either tabular data or spatial tools to view the water rights accounting information.
Water Supply
Find information on rivers, snow, reservoir storage, precipitation and weather, El Niño, and drought in Idaho.
Additional Information
Groundwater FAQs – Frequently Asked Questions (FAQs) about Idaho’s groundwater resources.
Water Use Information – Standards used by IDWR to evaluate water right applications and claims.
Idaho Water Facts – A quick glance at the water-related facts that shape Idaho.