When is Water Used for Irrigation?

When is water used for crop irrigation? Depends on where you’re looking!

• The Columbia-Snake region’s peak crop irrigation month is July, and peak withdrawals are over 53,000 millions of gallons per day (mgd)
• The Midwest region’s peak crop irrigation month is July, and peak withdrawals are over 25,000 mgd
• The Mississippi Embayment region’s peak crop irrigation month is August, and peak withdrawals are over 31,000 mgd
• The Southwest Desert region’s peak crop irrigation month is June, and peak withdrawals are over 12,500 mgd

Learn more about crop irrigation and its effect on water availability in the National Water Availability Assessment report.