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<br />l_ <br />L <br /> <br />l <br />I <br />L <br />L <br />L <br />I <br /> <br />. . ' <br />lJIf: Steven J. Witte <br />August 8. 1997 <br />o Page 3 <br /> <br />.~. <br /> <br />(~-, <br /> <br />tv <br />00 <br />c.,' <br />(XI <br /> <br />The use of the H-I model parameters does not change our conclusions set forth In the <br />July 10 submittal about the procedure to calculate replacement credit for this year. Accoidingly, <br />we propose to use the following algorithm for calculating replacement credit for u..WMA's <br />Highland Canallnte~ delivered to the Purgatoire RIver through Wasteway No.3: <br /> <br />1. 'NtIen the Highland Canal diversions are being delivered to turnouts downstream of <br />Wasteway No, 3 as well as to Wasteway No.3, ttle delivery to the Purgatoire RIver will <br />be measured and recorded USing the rating table prepared for the wasteway gate. The <br />replacement credit at ttle Purgatoire RIver will equal ttle measured delivery times 69.4 <br />percent <br /> <br />2. When water is delivered to Wasteway No.3, but not to down-ditch turnouts, the delivery <br />will equal the measured flow at ttle 5-foot Parshall flume less 10 percent for ditch <br />seepage and minus the delivery to Davidson's turnout (If any). The replacement,credit <br />will be equal to 69.4 percent of the calculated delivery. <br /> <br />The Highland Canal ditchrider will inform Bill Howland daily of the deliveries to the <br />Purgatoire River and will submit the daily written record to LAWMA. u..WMA proposes to store <br />the replacement credit less transit loss in John Martin Reservoir's Offset Account u..WMA <br />requests ttlat the unconsumed portion of the assessed transit loss (90 percent) between <br />Wasteway No.3 and the reservoir be stored in the Offset Account LAWMA also requests that <br />5.0 percent of the storage accruals in the Offset Account attributable to Highland Canal <br />deliveries be reserved for replacement with respect to Conservation Storage during December, <br />January and February. <br /> <br />'Please call if you have any questions. <br /> <br />Sincerely yours, <br /> <br />HELTON & W1WAMSEN. P,C, <br /> <br />~1JtY~:...t .,,- <br /> <br />Thomas A. Williamsen <br /> <br />TAW/mlc <br /> <br />. Enclosure <br /> <br />cc: Donald F. Higbee w/enc. <br />Hal D. Simpson w/enc, <br />David L. Harrison, Esq. w/enc, <br />Dennis M. Montgomery, Esq,. w/enc. <br /> <br />fP:IL101'D8089T,TA\} '\ <br />EnrXo1'-"'c~ 6" lcuj- ) <br />