Water Use by Region

How Idaho agriculture uses water across the state.

How Idaho Agriculture Uses Water

Water is the essential input for Idaho’s irrigated agriculture. This page presents data on agricultural water use across Idaho’s major regions.

Key Data Points

  • Irrigated acreage by region (~3.3 million acres statewide)
  • Major irrigation sources: Snake River, Boise River, groundwater
  • Key reservoirs: American Falls, Palisades, Lucky Peak, Arrowrock
  • Eastern Snake Plain Aquifer groundwater levels
  • Water use by crop type
  • Irrigation method distribution: flood, pivot, drip

Data Sources: Idaho Department of Water Resources, USGS, Bureau of Reclamation, irrigation district reports.

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