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CHAPTER 11. FLOOD
<br />11-10
<br />Source/Location
<br />Discharge (cubic feet/second)
<br />10-Year 50-Year 100-Year 500-Year
<br />At downstream study limit 20,000 29,300 33,900 45,400
<br />Upstream of Wilson Creek 19,000 28,000 32,300 46,600
<br />At confluence with Manastash Creek 18,900 27,700 32,000 43,200
<br />At confluence with Dry Creek 18,500 27,100 31,400 42,400
<br />At confluence with Teanaway River 17,100 25,100 29,100 39,600
<br />Upstream of confluence with Teanaway River 14,700 21,700 25,200 34,300
<br />Upstream of confluence with Crystal Creek 14,500 21,400 24,700 33,800
<br />At confluence with the Cle Elum River 14,200 21,000 24,300 33,200
<br />Upstream of confluence with Big Creek 7,220 10,600 12,200 16,600
<br />At Easton 6,580 9,660 11,200 15,200
<br />Upstream of confluence with Kachess River 4,900 7,180 8,290 11,300
<br />Upstream of confluence with Cabin Creek 3,740 5,480 6,300 8,600
<br />Kachess River at moutha 2,300 3,360 3,860 5,180
<br />Silver Creek at mouth 260 370 425 560
<br />Cle Elum River
<br />At mouth 8,020 11,800 13,600 18,600
<br />At upstream study limit 7,540 11,100 12,800 17,400
<br />Manastash Creek
<br />At apex of alluvial fan 1,400 2,030 2,310 3,030
<br />At confluence with N. Fork Manastash Creek 1,240 1,780 2,040 2,670
<br />At upstream study limit 967 1,400 1,590 2,100
<br />Crystal Creek at mouth 150 220 250 320
<br />Naneum Creek at mouth 920 1,310 1,480 1,890
<br />Wilson Creek
<br />At mouthb 3,100 4,250 4,750 5,900
<br />Upstream of confluence with Cherry Creek 2,050 2,750 3,000 3,700
<br />Upstream of confluence with Naneum Creekb 1,550 2,170 2,360 2,950
<br />Upstream study limit 475 680 770 986
<br />Right Channel Wilson Creekb 1,260 1,610 1,725 2,045
<br />Reecer Creek at downstream limit 280 400 450 560
<br />Currier Creek
<br />At downstream limit 280 400 450 560
<br />At Dry Creek connection road 180 255 290 360
<br />Whiskey Creek
<br />At 5th street 75 105 175c 275c
<br />At upstream limit 75 105 118 147
<br />Mercer Creek
<br />At mouth 110 150 220 c 310 c
<br />At Railroad Ave 110 150 170 210
<br />Caribou Creek at downstream study limit 294 417 471 595
<br />Teanaway River
<br />At Mouth 5,300 6,700 7,350 8,700
<br />Upstream of confluence with N. Fork Teanaway River 2,400 3,000 3,300 3,900
<br />N. Fork Teanaway River at mouth 2,900 3,700 4,000 4,750
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