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Reissued Waste Discharge Requirements General Order R5-2013-0122 7 Existing Milk Cow Dairies Annual Representative Monitoring Reports: The RMP must submit Annual Representative Monitoring Reports (ARMR), which must describe the monitoring activities (including a tabulated summary of groundwater analytical data) conducted by the RMP, and which must identify the number and location of installed monitoring wells and other types of monitoring devices. Within each ARMR, the RMP must evaluate the groundwater monitoring data to determine whether groundwater is being impacted by activities at facilities being monitored by the RMP. The submittal must include a description of the methods used in evaluating the groundwater monitoring data. Summary Representative Monitoring Report: Six (6) years following submittal of the first ARMR, the RMP must submit a Summary Representative Monitoring Report (SRMR) to the Board's Executive Officer. The SRMR is to identify management practices that are protective of groundwater quality for the range of conditions found at participating facilities. Based on information supplied in the SRMR, if management practices are found not to be protective of groundwater quality, the SRMR must propose solutions and upgrades that will result in compliance. Individual Annual Monitoring Reports: Dischargers who have participated in the RMP must submit Annual Monitoring Reports following the Executive Officer's approval of the SRMR, which must document what they are doing to upgrade management practices that have been found not to be protective of groundwater. These reports are due every July 1 following Executive Officer approval of the SRMR. The first annual report must identify alternative management practices the Discharger intends to implement at its dairy facility along with a schedule for implementation. With each subsequent Annual Monitoring Report, the Discharger must provide an update on their implementation of additional or alternative management practices. 24. The Central Valley Water Board has documented many discharges of waste from existing milk cow dairies to surface water and has taken appropriate enforcement actions in such cases. This Order prohibits discharges of: waste and/or storm water to surface water from the production area; wastewater to surface waters from cropland; and storm water to surface water from a land application area where manure or process wastewater has been applied unless the land application area has been managed consistent with a certified Nutrient Management Plan. When such discharges do occur, this Order requires the Discharger to monitor these discharges. 25. The milk cow dairies at which this Order is directed were in existence prior to October 2005 and many were constructed several decades ago. The waste management systems at these existing dairies are commonly not capable of preventing all adverse impacts to waters of the state either because of their