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Submit OC-59 Channel Losses Worksheet with Certifications for Delivery of Water to the <br />Metropolitan Storage Account. <br />For example: <br />Orange County Conjunctive Use program <br />OC-59 Channel .Loss Worksheet for Month of May, 2003 <br />Total Monthly <br />Total Monthly Operation <br />Avg. AFIHour <br />Avg. AF/Day <br />Average CFS <br />Channel Losses <br />AF Delivered <br />Period (hours) <br />(AF) <br />1%or4% <br />297.5 AF <br />72 hours <br />4.13 AN hours <br />99.17 AF/day <br />50.01 cis <br />3A AF (1 %) <br />1,122,4 :ACis'si= <br />321 hours <br />3.50 AFI hours <br />83.92 AF1day <br />42.32 <br />44.9 AF (4%) <br />B. Determination of Annual Storage Losses. <br />Each year OCW1D will estimate the amount of groundwater lost from the groundwater basin and <br />present it to the operating committee for concurrence. The amount of losses will be divided by <br />1.0 million acre-feet (AF) which is the approximate total useable groundwater storage space in <br />the basin. This percentage will then be multiplied by the amount of water Metropolitan has <br />stored in the basin to determine how much Metropolitan water has been lost. <br />Modeling has shown that the amount of water lost from storage is directly related to the <br />District's accumulated overdraft, which is currently approximately 405,000 AF. The following <br />graphic was recently developed from those modeling efforts. <br />First Amendment 6 Groundwater Storage <br />