East Whitewater River Subbasin The East Whitewater River Subbasin Area of Benefit RAC, effective July 1, 2016, is $66 for each acre-foot of water pumped in that subbasin by large water uses (those pumping more than 25-acre-feet of groundwater in any year). The RAC reflects an 11.9 percent increase from the RAC in the previous fiscal year. West Whitewater River Subbasin The West Whitewater River Subbasin Area of Benefit RAC, effective July 1, 2017, is $143.80 for each acre-foot of water pumped in that subbasin by large water uses (those pumping more than 25-acre-feet of groundwater in any year). The RAC reflects an 12 percent increase from the RAC in the previous fiscal year. Mission Creek Subbasin The Mission Creek Subbasin Area of Benefit RAC, effective July 1, 2017, is $135.52 for each acre-foot of water pumped in that subbasin by large water uses (those pumping more than 25-acre-feet of groundwater in any year). The RAC reflects an 10 percent increase from the RAC in the previous fiscal year.