WaterCalifornia’s agriculture feels pain of harsh drought

Published 4 June 2015

The California drought is expected to be worse for the state’s agricultural economy this year because of reduced water availability, according to a new study. Farmers will have 2.7 million acre-feet less surface water than they would in a normal water year — about a 33 percent loss of water supply, on average. Reduced availability of water will cause farmers to fallow roughly 560,000 acres, or 6 to 7 percent of California’s average annual irrigated cropland. The drought is estimated to cause direct costs of $1.8 billion — about 4 percent of California’s $45 billion agricultural economy. When the spillover effect of agriculture on the state’s other economic sectors is calculated, the total cost of this year’s drought on California’s economy is $2.7 billion and the loss of about 18,600 full- and part-time jobs.

The California drought is expected to be worse for the state’s agricultural economy this year because of reduced water availability, according to preliminary estimates the UC Davis Center for Watershed Sciences released the other day.

The study estimates farmers will have 2.7 million acre-feet less surface water than they would in a normal water year — about a 33 percent loss of water supply, on average. The impacts are concentrated mostly in the San Joaquin Valley and are not evenly distributed; individual farmers will face losses of zero to 100 percent.

A release from UC Davis Center for Watershed Sciences report that expanded groundwater pumping will offset more than 70 percent of this surface water deficit, according to the study’s modeling of how farmers are likely to respond. This leaves a shortage of 2.5 million acre-feet — 9 to 10 percent of the amount normally applied to crops — compared with a net water shortage of 1.5 million acre-feet in 2014.

The estimates, prepared for the California Department of Food and Agriculture, also show that farmers will fallow roughly 560,000 acres or 6 to 7 percent of California’s average annual irrigated cropland.

Economically, the drought seems on track to reduce crop, dairy, and livestock revenues by $1.2 billion this year. Pumping costs are expected to reach nearly $600 million. Overall, the drought is estimated to cause direct costs of $1.8 billion — about 4 percent of California’s $45 billion agricultural economy. When the study’s authors account for the spillover effect of agriculture on the state’s other economic sectors, the total cost of this year’s drought on California’s economy is $2.7 billion and the loss of about 18,600 full- and part-time jobs.

The drought induced job losses even while total agricultural employment continued to grow. The researchers estimate further job losses will occur in 2015.

As with last year, groundwater, global markets, and water markets are greatly reducing the economic impacts of the drought on California’s agriculture and consumers worldwide. Still, considerable local suffering will remain in harder-hit areas.

— Read more in Richard Howitt et al., Preliminary Analysis: 2015 Drought Economic Impact Study (UC Davis Center for Watershed Sciences, 31 May 2015)