RATING TABLE DATE: 10/29/2026
TUALATIN RIVER AT WEST LINN, OR
USGS ID 14207500
VERSION NO. 14.0, 09/24/2026
Gage height Discharge
(ft) (ft^3/s)
.0 .1 .2 .3 .4 .5 .6 .7 .8 .9
1 13 19 25 34
2 43 54 67 82 98 120 140 160 190 210
3 240 270 310 350 390 430 480 530 580 630
4 680 740 790 850 910 970 1040 1100 1170 1240
5 1310 1380 1460 1530 1610 1690 1770 1860 1940 2030
6 2120 2210 2300 2390 2480 2580 2670 2770 2870 2980
7 3080 3180 3290 3400 3510 3620 3730 3850 3960 4080
8 4200 4320 4440 4570 4690 4820 4950 5080 5210 5340
9 5480 5620 5760 5910 6060 6210 6360 6520 6670 6830
10 6990 7150 7310 7470 7640 7800 7970 8140 8310 8480
.0 .1 .2 .3 .4 .5 .6 .7 .8 .9
11 8660 8830 9010 9190 9370 9560 9740 9930 10120 10310
12 10500 10690 10890 11090 11290 11490 11700 11900 12110 12320
13 12530 12750 12960 13180 13400 13620 13840 14060 14290 14520
14 14750 14980 15210 15450 15680 15920 16160 16410 16650 16900
15 17140 17390 17650 17900 18160 18410 18670 18930 19200 19460
16 19730 20000 20270 20540 20810 21090 21360 21640 21920 22210
17 22490 22780 23070 23360 23650 23950 24240 24540 24840 25140
18 25440 25750 26060 26360 26680 26990 27300 27620 27940 28260
19 28580 28900 29230 29560 29890 30220 30550 30880 31220 31560
20 31900