Opinion: One Water District is Trying to Make Sure Agriculture Cleans Up Its Own Mess

A Central California water board is poised to do something rare in American agriculture: It is trying to establish enforcement mechanisms — not just toothless regulations — to limit the use of farm fertilizers that contribute to dangerous levels of groundwater pollution. If the effort is successful, within a few decades it will have reversed or at least stopped adding to the pollution of groundwater beneath the Salinas and Santa Maria valleys.