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Jeff Deatherage <br />September 20, 2007 <br />Page 5 <br />Table 1 <br />Riverside Pit <br />Substitute Water Supply Plan Water Budget <br />(all values in acre feet, unless otherwise noted) <br /> (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (il) (12) <br /> Water Demands <br />, . f <br /> R <br />`,~ r Evaporatio n ~ <br />lacement <br />R <br />Replaceme <br />nt <br /> <br />= <br />~ <br />Sail- <br />: ~ k ° Total Non Monthly Total ° <br />tli <br />M <br />/ ep Balance' <br />:. <br />~, <br />Month <br /> <br />Volume ;Mo~,uturg ~ <br />~_, <br />Area; Unrt Net x Total Lagged ~P,g-ng Lagged on <br />o <br />Call <br />wtth Requirement Water. '. <br />"~ <br />, <br />` :~`_ k ~~~ ,~~°t. ~~ . ~ Evaporation Evaporation Depletion Factors Depletion ~ . <br /> .. ~? (Inches) i <br />Oct-07 2 <br />856 ` '0.08 •~ 23.69; ~ 2.16 4.27 "l 4.35 46.9% 2.04 100% 2.04 2.04 0.00 <br />Nov-07 , <br />0 0.00 23.69 1.08 2.13 ~ 2.13 25.6% 2.11 100% 2.11 2.11 0.00 <br />Dec-07 0 0.00 23.69 0.72 1.42 ~ 1.42 7.7% 1.55 100% 1.55 1.55 0.00 <br />Jan-08 0 0.00 23.69 1.08 2.13 v` 2.13 3.9% 1.70 100% 1.70 1.70 0.00 <br />Feb-08 0 0.00 23.69 1.68 3.32 `~ 3.32 2.6% 2.40 100% 2.40 2.40 0.00 <br />Mar-08 613 0.02 23.70 1.80 3.56" 3.57 1.8% 2.88 100% 2.88 2.88 0.00 <br />Apr-08 265 <br />3 0.10 23.76 3.84 7.61 `~ 7.70 1.4% 5.00 100% 5.00 5.00 0.00 <br />May-08 , <br />4,898 0.14 23.84 2.76 5.48 d <br />~ 5.62 1.1% 5.17 <br />63 <br />6 100% <br />100% 5.17 <br />6 <br />63 5.17 <br />6.63 0.00 <br />0.00 <br />Jun-08 7,346 0.22 23.97 4.44 8.86 <br />J 9.08 0.9% . <br />8 <br />29 100% . <br />29 <br />8 8.29 0.00 <br />Jul-08 9,388 0.28 24.12 5.16 10.37 <br />1 `~ 10.65 <br />9 <br />37 0.7% <br />0 <br />6% . <br />42 <br />8 100% . <br />8.42 8.42 0.00 <br />Aug-08 <br />-08 <br />S 5,715 <br />919 <br />5 0.17 <br />17 <br />0 24.22 <br />24.32 4.56 <br />3.96 9.2 <br />8.03 <br />~ . <br />8.20 . <br />0 <br />0.6 /0 . <br />7.85 <br />100 <br />% 7.85 7.85 <br />e , . ~ <br />" ~ ~" ~ ~ 04 r, _ 04 <br />=54 04' <br />54 ` 0;00 <br />Tot81 _ ~ '~~.. <br />Y ~ ~. _:1.;T8TM ~ , <br />~ <br />. ~; ~ <br />, . 33.~ , .,,, ,(6:38 G7:3C ` 54. . . <br />Notes: <br />1.40000 tons excavated over the SWSP period. Distributed monthly based on typical production schedule. <br />Moisture content based on DWR guidelines. Excavation generally occurs from Mazch 15th through Nov 1 (water depletion estimated at 4% of excavated material). <br />2 <br />. <br />3. Exposed surface are based on 1) total exposed acreage surveyed by DWR in June 2007, reduced 2.15 acres (equal to 1/3 of 6.435 acres in survey) based on current <br />conditions, (2) reduction of 5.5 acres of pre-1981 exposed surface area, and (3) lineaz increase of 0.625 acres projected to be exposed during SW SP. <br />Unit Net Evaporation from projected exposed surface azeas from Farmer's Pawnee decree 95CW263. <br />4 <br />. <br />5. Equal to (3) x (4) / 12 6. Equal to (2) + (5) 7. Monthly lagging factors for site based on Glover Analysis using D=1,360 ft. , SS-0.2, Db=21,500 ft., T=204,000 gpd/ft., alpha=1.58 <br /> (see Table 2). <br />8. Monthly water demands from on-site production (6) lagged to South Platte River based on monthly lagging factors (7). 9. Based on cal l records main tained by the DWR. 100% used for <br /> planning purposes. <br />10. Equal to (8) x (9) 11. Total replacetrtents from North Sterling Irrigation District. - 12. Equal to (10) - (11) <br /> ~ ~ <br /> D m <br />~ ~ 141 <br />~ <br /> tfm <br />Om~ ~ ~ <br /> Opp ~ C <br /> m~ ~ ~ <br /> ~m ~ <br /> y V <br />