RATING TABLE DATE: 10/29/2026
TUALATIN RIVER NEAR DILLEY, OR
USGS ID 14203500
VERSION NO. 25.0, 10/21/2026
Gage height Discharge
(ft) (ft^3/s)
.0 .1 .2 .3 .4 .5 .6 .7 .8 .9
8 22 25
9 29 33 37 41 46 51 56 62 67 73
10 79 85 91 97 100 110 120 120 130 140
.0 .1 .2 .3 .4 .5 .6 .7 .8 .9
11 150 150 160 170 180 190 190 200 210 220
12 230 240 250 260 270 280 290 300 310 320
13 330 340 350 360 370 380 390 400 410 430
14 440 450 460 470 480 500 510 520 530 550
15 560 570 590 600 610 630 660 680 710 750
16 780 820 850 890 940 1000 1090 1190 1290 1450
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