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2. For parcels that get water from more than one ditch, make sure the percentages <br />assigned to the WDIDs add up to 100. <br />3. Validate that parcels are assigned to valid WDIDs, based on information in <br />HydroBase. <br />As indicated, the review of key structures included looking at headgate location <br />compared to irrigated lands and service areas. Although not specifically scoped for this <br />task, issues relating to headgate locations in the Divl_diversions_20040930 coverage <br />were identified. <br />In addition, acreage assigned to surface water sources that have been transferred to wells <br />(alternate point diversions) were reviewed to determine if wells are assigned to each <br />parcel, and if the comment field indicates that the wells divert under the surface water <br />structure's water right. <br />Finally, the Task 91 and Task 93 memoranda developed by RTi documenting the <br />approach and results to developing the GIS irrigated acreage coverages were reviewed <br />and minor comments provided to RTi. <br />Results <br />The review of surface water structure acreage in Division 1 and Water District 47 <br />identified issues that need to be resolved by RTi or division staff. Of the 849,500 acres <br />identified with surface water diversion structures in the 2001 coverage, only 6,508 acres, <br />less than 0.8 percent, show potential discrepancies. <br />The following key structures have 2001 irrigated lands with spatial discrepancies. Table <br />2 summarizes the WDID, structure name, GIS acreage, and comments for key structures <br />with discrepancies identified based on visual inspection. <br />Table 2 <br />2001 Irri ated Acrea e Discre ancies <br />WDID Name Acreage Comment/Question Resolution <br />0400601 ROCKWELL D Irrigated land on both sides Irrigated lands are mapped <br /> of the river, is there another correctly by Rockwell <br /> SW_WDID that should be Ditch users. <br /> 247.6 included? <br />0400691 HANSEN Lands are served directly <br /> FEEDER CNL from feeder canal with <br /> FLOWN CBT water. Not recorded <br /> by Water Commission - <br /> 19432 acreage is okay. <br /> Land located in 0700601 <br /> service area. In addition, a Irrigated lands <br /> ROCKY portion of the parcels are SW_WDID2 changed to <br /> MOUNTAIN assigned to 0700600 which 0700601. SW_WDID1 = <br />0700652 DITCH 20.6 is an inactive structure. 0700652 is correct <br /> Parce137120 does not <br /> LOST TREASURE appear to be able to be Parce137120 is irrigated by <br />4700738 DITCH 239.1 irri ated from this ditch. this ditch. Ve lon ditch. <br />3of12 <br />