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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 10387110 CHEWAUCAN RIVER AT MOUTH NEAR VALLEY FALLS, OR
Lake County, Oregon
Hydrologic Unit Code 171200060506
Latitude  42°31'19.49", Longitude 120°14'58.02" NAD83
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
142025-11-25 12:55:03PSTYesZPRUSGS30.6 Poor NONE
132025-09-26 13:51:14PDTYesZPRUSGS13.4 Poor NONE
122025-07-02 13:57:48PDTYesZPR/GLUSGS34.1 Poor NONE
112025-05-13 11:17:33PDTYesAM PPUSGS927 Poor NONE
102025-04-16 16:53:41PDTYesAM PPUSGS910 Poor NONE
92025-03-20 15:00:24PDTYesAM TT JSDUSGS255 Fair NONE
82025-02-20 10:41:30PSTYesAM PPUSGS171 Poor NONE
72025-01-14 11:30:33PSTYesPP AMUSGS104 Poor NONE
62024-12-19 11:19:57PSTYesPP WAUSGSl12.2 Poor NONE
52024-12-11 12:05:59PSTYesSLDUSGS20.7 Poor NONE
42024-10-17 12:51:06PDTYesAM ELUSGS0.13 Poor NONE
32024-10-16 16:54:42PDTYesSLDUSGS-2.14 Poor NONE
22024-09-11 10:46:21PDTYesJSDUSGS0.13 Poor NONE
12024-09-10 13:59:06PDTYesSLDUSGS-0.99 Poor NONE