Aug. 24 2020 12:51 AM


In early June, as many as 650 dairies and around 170 calf and heifer ranches and beef feedlots received certified letters from the Central Valley Regional Water Quality Control Board. The letter was sent to inform those operations that they must comply with a new regulation dealing with groundwater nitrates.

The next step for these farms will be to join a Nitrate Management Zone. The zones aren’t formed yet, but they will be by early 2021. These local groups will make decisions about supplying safe drinking water in their communities. Farm owners are encouraged to make their voices heard before final decisions are made. More information can be found at

This article appeared in the August 2020 issue of Journal of Nutrient Management on page 5.
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