The article title is misleading. If we assume water price of $1000/acre-foot, then they spending ~$30m today to save 10x$2m over the next ten years. Water Davis

The article title is misleading. If we assume water price of $1000/acre-foot, then they spending ~$30m today to save 10x$2m over the next ten years. Water Davis are clearly a by-product benefit (as the article states) and the balls are not being used to tackle drought.