The facility is required to take the following actions: File for coverage under California’s General Industrial Activities Storm Water Permit, if the facility has not already done so; Develop and implement a storm water pollution prevention plan for the facility; Develop and implement a storm water monitoring plan for the facility; Complete specified interim corrective measures, e.g. cover lubricants; and Complete additional tasks identified in the order, within the time specified by the order.

The EPA discovered the violations during a September 2009 inspection at the sand and gravel mine operated by Cemex, located along Lapis Road.

Cemex is a US-based cement company.