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Table 6
<br />Lag and K„ Data for Urban V~atersheds
<br />(K„ values sorted by ascending order)
<br />Ir aters
<br />IL ocaGon
<br />s. miles
<br />miles ca
<br />miles
<br />ttlml
<br />% Lca
<br />S^.5 g
<br />hre
<br />~mcauree Denver, CO 0.150 0.97 0.43 a a 6 024 b
<br />~xrthwest Outfall Louisville, KY 7.500 8.50 2.70 t8.5 33.0 4.0803 0.50 0.0173
<br />Ihambre Wash ebove Short St Monteray PaAt, CA 14.000 9,50 . 4.60 85.0 40.0 4.7399 D.60 0.0128
<br />~gys Bayw Houston, TX 8B.400 23.30 10.40 4.1 40.0 119.6733 2.f 0 0.0131
<br />~oadway Drein at Reymond Dike ~ L.A., CA 2.500 3,40 1.70 100.0 45.0 0.5780 0.30 0.0142
<br />~wthem Outldl Louisville, KV 6.400 6.40 2.50 13.0 48.0 4.4378 0.70 O.D153
<br />onhwesf Trunk Louisvilie, KY 1.90D 3.00 1.10 t9.0 60.0 0.7571 0.40 0.0171
<br />illa Del Oao buquerque, NM 0.052 0.64 0,27 1 f 1.0 18.4 0.0198 0.08 0.0178
<br />aargress Cr. Louiaville, KY 9.700 5.s0 2.50 6.3 70.0 5.5777 0.90 0.0180
<br />hlte Oek Bayou Houston, TX 92.OOD 23.10 12.80 5.0 35.0 132.2321 3.10 0.0188
<br />irylwRanch buquerque, NM O.t36 0.55 0.23 25.0 9.8 0.0253 0.12 0.0187
<br />:ademy Acres buquerque, NM 0.124 0.80 0.53 100.0 16.3 0.0477 0.18 0.0196
<br />1'Ith Street Sewer ouiaville, KY 0.200 0.90 0.90 48.0 93.0 0.0390 0.15 0.0198
<br />sllamna Cr. at Savrtelle Blvd. .A., CA 88.600 11.80 5.60 84.0 40.0 8.2800 7.20 0.0207
<br />~dn(I Cf80k .._. __...._.... .. _ __.. __.. p~vet, CO ..... . . ... .0.280~ 0.84. .. . .. 0.21 ~ - ----a7.0 " 34.D-- - -0.0275. .. ...".0.1"4 0.0217
<br />1 I6 Ave & Cleude Ct. Denver, CO 0.260 1.16 0.4B 68.0 13.3 0.0684 0.21 0.0224
<br />entl Creak Denver, CO 0.2B0 0.64 021 4f.0 24.0 0.0275 0.15 0.0229
<br />Iph Schod Weeh - uceon, AZ 0.950 1.80 0.75 58.0 f0.7 0.1678 0.30 0.0233
<br />eprgreaa G. ailevlllo, KY 8.300 4,00 t.BO 4.6 20.0 3.3fl4t 1,00 0.0242
<br />falker Avenue Dmin 9nltimwe, MD 0200 1.00 0.40 83.0 33.0 O.D439 0.20 0.0252
<br />illa Oel OSO huquefque, NM 0.052 0.54 0.27 111.0 18.4 0.0138 0.13 0.0254
<br />rcntlia Tuscon, AZ 2.720 3.85 2.25 42.0 13.0 1.3367 0.75 0.0258
<br />itle Pimmit Run ington, VA 2.300 2.20 7.00 77.D 20.0 0.2507 0.40 0.0280
<br />an Jose Cr, el Workman Mill Rd hitlier, GA 81.300 23.T0 9.10 75.0 35.0 24.8034 2.40 0.0272
<br />rcadie, Pah 2 Tucaon, AZ 2.720 3.85 2.25 42.0 73.8 7.3367 0.81 0.0279
<br />meyard Cr. usGn, TX 4.500 2.80 1.30 9.5 37.0 1.1810 0.80 0.0289
<br />rcedia, Part t Tucaon, AZ 2.72p 3.05 2.25 42.0 13.9 1.3367 0.84 0.0289
<br />~ompton Cr. below Hooper Ave Storm Drein LA., CA 19.500 8.80 420 74.8 80.0 8.8729 1.80 0.0282
<br />rcadla Tucson, AZ 2.720 3.85 2.25 42.0 13.9 7.3387 0.90 0.0910
<br />our Mile Run lexendria, VA 74.400 7.80 3.50 43.0 20.0 4.16:i2 1.40 0.0913
<br />rippa Run Fd119 Church, VA 1.800 2.30 7,00 79.0 25.0 0.2588 o.so o.032t
<br />ille Ita~ie Denver, CO 0.120 0.67 0.33 100.0 77.0 0.0221 0.20 0.0327
<br />ligh School WesF~ Tuacon, AZ 0.850 1.80 075 58,0 70.7 0.1578 0.43 0.0334
<br />Ialler Cr. ueNn, TX 4.100 5,20 7.90 48.0 27.0 1.4281 1.00 0.0336
<br />rippa Run e9r Fa118 Glurch, VA 4.800 4.t0 1,80 52.0 28.o t.O80a 0.80 0.0338
<br />,cademy Aeres I6uquerque, NM 0.124 0.00 0.53 700.0 t6.3 0.0477 0.28 0.0354
<br />'iney &anch Vienne, VA 0.300 0.50 O,ZO 87.0 30.0 0.0107 0.20 0.0431
<br />~aaroea rucsm, nz z.3oo 2.so i.ne as.o n.o o.so~a o.ee o.oaas
<br />leilrmd ucsm, AZ 2.300 2.30 1.48 48.0 17.0 0.5018 1.10 D.O550
<br />ioose Creek enver, CO 1.340 1.34 0.80 74.0 75.4 0.0835 0.83 0.0596
<br />,tter6ury Tucson, AZ 4.970 6.87 3.87 26.0 3.0 5.0823 3.42 0.0710
<br />~que Frie R. Vib. (Sapt, 1970) hoenix, AZ 0.190 0.77 0.39 18.0 25.0 0.0751 0.86 0.0888
<br />~ us Frie R. trib, 3 t, 7970 hoenix, AZ 0.130 0.77 0.39 16.0 25.0 0.0751 1.00 0.1028
<br />'- ex mum 92.000 23.70 12.80 f 1.0 . 93.0 f 32.2321 3.42 0.1028
<br /> Minimum 0,0.52 0.50 0.20 4.1 3.0 0.0107 0.09 0.0113
<br /> Moan ti.071 4.b7 2,18 61,0 28.1 8,0720 O.B1 0.0313
<br /> Standerd Devletlon 26.178 b.88 2.75 32.3 iB.1 27.0647 0.77 0.020D
<br />The lowest value of K~ is 0.0113 which is for Concourse D of Stapleton International Airport,
<br />Dem~er, Colorado. That was a small (0.15 square mile, 96 acre) fully concrete covered
<br />drair~age area. There are four large urban watersheds with drainage areas in excess of 80
<br />square miles in Table 6. The K~ values for those large urban areas range from 0.0131 to
<br />0.02~72 with an average of 0.020.
<br />19 March 2007 22
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