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USGS Daily Statistics for Oregon

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 14187500 SOUTH SANTIAM RIVER AT WATERLOO, OR


Linn County, Oregon
Hydrologic Unit Code 17090006
Latitude  44°29'55", Longitude 122°49'20" NAD27
Drainage area 640  square miles
Gage datum 370.39 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1905-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 5,300 4,920 3,530 4,410 3,160 2,120 1,010 570 663 1,080 2,570 5,420
2 5,320 4,940 3,720 3,950 3,290 2,130 964 560 721 1,120 2,860 5,770
3 5,250 5,000 3,550 3,840 3,230 2,170 915 551 725 1,160 2,680 5,910
4 5,630 4,870 3,480 3,810 3,220 2,160 883 552 719 1,210 2,650 5,750
5 5,420 4,860 3,530 3,820 3,320 2,190 844 555 721 1,220 2,740 5,550
6 5,680 4,970 3,610 3,790 3,470 2,150 826 554 754 1,210 2,640 5,740
7 5,750 4,920 3,450 3,820 3,370 2,230 824 551 765 1,200 2,830 5,940
8 5,310 4,730 3,440 3,860 3,190 2,390 808 545 770 1,260 3,590 5,330
9 5,360 4,380 3,710 3,870 3,010 2,390 785 544 792 1,390 3,370 5,230
10 5,560 4,500 3,780 3,820 2,950 2,220 760 551 821 1,390 3,230 5,510
11 5,590 4,190 3,790 3,850 2,950 2,090 735 543 853 1,390 3,270 5,930
12 5,640 3,880 3,860 3,750 2,890 1,990 718 534 869 1,380 3,450 6,220
13 5,700 4,170 3,870 3,850 2,890 1,880 702 536 870 1,340 3,620 5,890
14 5,580 4,050 3,800 3,880 2,860 1,730 697 538 899 1,300 3,860 5,740
15 5,730 3,990 3,840 3,800 2,760 1,680 695 539 925 1,340 4,250 5,460
16 5,540 4,070 3,910 3,640 2,650 1,610 681 546 947 1,520 4,410 5,150
17 5,710 4,210 3,960 3,590 2,550 1,570 673 559 934 1,550 4,380 5,080
18 5,830 4,380 4,010 3,560 2,550 1,520 660 557 943 1,610 4,480 5,330
19 5,640 4,260 4,100 3,440 2,510 1,500 649 564 934 1,590 4,910 5,890
20 5,440 4,320 3,790 3,520 2,510 1,510 649 564 928 1,680 4,970 6,300
21 5,550 4,440 3,800 3,530 2,560 1,470 645 561 924 1,740 4,580 6,560
22 5,630 4,480 3,760 3,330 2,490 1,340 643 566 926 1,920 5,190 6,730
23 5,390 4,110 3,720 3,280 2,450 1,270 638 580 922 2,110 5,520 6,150
24 5,660 4,050 3,890 3,360 2,300 1,220 622 594 925 2,060 5,640 5,810
25 5,450 4,090 3,880 3,370 2,240 1,230 613 595 941 1,950 5,600 5,400
26 5,150 3,960 3,890 3,340 2,310 1,220 609 605 1,000 1,950 5,510 5,390
27 5,240 3,750 3,790 3,360 2,340 1,160 612 616 1,000 1,920 5,680 5,390
28 5,790 3,550 3,700 3,370 2,290 1,150 609 616 995 2,160 5,370 5,990
29 5,310 3,750 3,850 3,170 2,260 1,180 600 606 1,080 2,290 5,730 6,000
30 5,030   4,130 3,090 2,190 1,100 591 625 1,050 2,280 5,490 5,830
31 4,870   4,560   2,140   584 638   2,340   5,760