RATING TABLE DATE: 07/27/2026
TUALATIN RIVER NEAR DILLEY, OR
USGS ID 14203500
VERSION NO. 25.0, 03/19/2026
Gage height Discharge
(ft) (ft^3/s)
.0 .1 .2 .3 .4 .5 .6 .7 .8 .9
8 24 28 31 35
9 40 44 49 55 60 66 71 77 83 89
10 95 100 110 110 120 130 140 140 150 160
.0 .1 .2 .3 .4 .5 .6 .7 .8 .9
11 170 170 180 190 200 210 220 230 240 250
12 260 270 280 290 300 310 320 330 340 350
13 360 370 380 390 400 410 420 430 450 460
14 470 480 490 510 520 530 540 560 570 580
15 600 610 630 640 660 680 710 730 760 790
16 820 860 890 940 990 1060 1140 1230 1320 1470
17 1640 1790 1950 2120 2300 2500 2750 3020 3310 3630
18 3980 4360 4770 5210 5700 6220 6790 7400 8070 8790
19 9570 10410 11320 12300 13360 14500