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The foilowing table shows estimaced pond elevation versus disehacge <br />for the casa of tailwater control (a[ 994.0), a 36 inch di.weeer pipe, <br />and an es[imated pipe lenp,[h of SO feet. <br />Head Discharfe <br />HeadwaLeC feet I.engd _ cfs <br />895.0 1.0 50 34 <br />896.0 2.0 50 47 <br />897. 3.0 50 59 <br />898„0 . 50 67 <br />The Minnes.[a Dep[ of Tr nsoortation outLe[ con[rol curvea vera <br />used in the calculatfon. Inlet control was also cherkr.d but vas no[ <br />critical. Noce [hut [he abovc assurnption of high [ailwa er resulCF In <br />discharges [hat may be lover [han is accunlly tha case. <br />EXISTING PONI? VOL'uHE-llISCHARGH AEi.AT10NS11IP5: <br />The following [able shovs [he relaLionshlp 6etveen uLCirage peJ <br />discharge fer the existing pond for various dura[SOn stocm eventu. <br />Note that the critical duration scoM varies for Jiffec:ng emoun U of <br />available sCO.-age, <br />Land Use 30 m 1 tir 2 hr. 3 hr 6 hr ]2 hr 24 hr 48 hr 7( h <br />TP-40 2.40 2.90 3.40 3.80 4.30 S.10 5.90 7.Q0 8.20 <br />Lake 5.0 1.0 1.2 1.4 1.6 ]..8 2.1 2.5 2.9 I,d <br />Imp 66.9 .12.0 14.6 17.1 t9.1 21.6 25.G 29.6 75.1. 41,1 <br />Pe v 194.1 27.3 23.5 23.5 23.5 23.5 23.5 23.5 27.5 Y7.S <br />Total Vol. 36.3 39.3 42,0 4G.2 <br />Se ... ._ . . 70.0 30.0 ,,. <br />AF our 6.3 9.3 12.9 14.T <br />AF/day out 302.4 223.2 144.Q 11I.6 <br />Q ouc cfe 151.2 111.6 72.0 56.8 <br />Stoze 35 AF 35.0 35.0 35.0 35.0 <br />AF out 1.3 4.3 7.0 9.2 <br />AP/day out 62.4 1G3.2 84.0 )3.6 <br />Q out cfs 31.2 S1.6 42.0 36.8 <br />Store 40 AF 40.0 40.0 40.0 60.0 <br />AP out - - 2.0 4.2 <br />AF/day out - - 24.0 33.6 <br />Q out cfs - - 12.0 16.8 <br />Store 45 aF 45.0 45.0 45.0 45.0 <br />AF out - - - - <br />AF/day out - - - - <br />Q out cfs - - - - <br />46.9 S1.2 <br />U• .iU.0 <br />Y6.9 21.1 <br />67.6 42,4 <br />33.8 21.2 <br />J5.0 75.0 <br />11.9 16.2 <br />47.G 92.4 <br />23.8 16.2 <br />4C.'v 40.0 <br />h.9 11.2 <br />27.6 22.4 <br />ia.a i.x <br />45.0 65.0 <br />1.9 G.2 <br />7.. 12.4 <br />B b.2 <br />SS,b <br />3Ci.fi <br />25.6 <br />23.6 <br />12.8 <br />75.0 <br />20.6 <br />2a.a <br />10. <br />40.0 <br />5.6 <br />15,6 <br />7.B <br />hi.0 <br />0.6 <br />10.A <br />S.9 <br />61.5 6U.G <br />J0.0 5iS.1i <br />ai.s e.o <br />15.8 9.5 <br />7.9 4.8 <br />95.0 5.0 <br />26.5 7.0 <br />i.a e.: <br />6.7 4.1 <br />A0.0 G0.0 <br />2.5 2N.0 <br />i0.8 7.0 <br />5.4 ,5 <br />4i,tl 45.9 <br />16. S 29.') <br />0.7 5,8 <br />h.2 2.9