US almonds, walnuts and grapes depend on draining groundwater that isn't coming back
Half of the groundwater used to grow America's favorite fruits, nuts, veggies, seeds and greens is drawn from aquifers faster than they can refill, according to a new study. Irrigating 75% of produce and specialty crops with groundwater between 2008 and 2020 helped spare farms from the immediate impacts of droughts, but dependence on draining aquifers could set up producers for future water…
A new study reveals that half of the groundwater used to grow America's favorite foods like almonds, walnuts, and grapes is being pumped from aquifers faster than they can naturally replenish. Irrigation with groundwater has helped farmers avoid immediate drought impacts, but over-reliance on this unsustainable water source could leave producers vulnerable to future water scarcity.
This new study provides the first county-level data on irrigation sources for 65 different specialty crops, including fruits, nuts, and vegetables. Despite representing a smaller portion of U.S. agriculture compared to staple crops like corn and wheat, specialty crops like almonds, lettuce, and peaches offer important dietary variety.
California, particularly the Central Valley, relies heavily on groundwater for irrigation, with more than 90% of its groundwater usage coming from unsustainable pumping. This unsustainable practice is especially concerning as climate change brings more frequent and intense droughts to major agricultural areas, including the U.S. Sun Belt.
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