Small farms rarely staff a full-time irrigation engineer. A new wave of affordable satellite passes is filling that gap by flagging wet patches that do not match planting maps.
Alerts arrive as simple overlays: a blue smear where a buried line is weeping, or a dry rectangle where a valve failed closed. Farmers walk the field the same afternoon with a shovel and a wrench.
Water districts are bundling the imagery into existing meter programs, arguing that early leak detection is cheaper than new reservoirs. Privacy rules keep resolution coarse enough that individual households stay anonymous.
Not every alert is a leak — morning dew and recent rain still confuse algorithms. Seasoned growers treat the maps as a second opinion, not an automatic order.
Even so, early adopters report measurable drops in pumped volume during peak summer weeks. For farms on thin aquifers, that margin is the difference between finishing a season and fallowing a field.