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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
142025-11-25 12:55:03PSTYesZPRUSGS30.6 Poor NONE1MainCWAYQADCPVADCP30.686.72470.12SOFTsiltUNEVPULSUNSPNSTDUPST15.00
132025-09-26 13:51:14PDTYesZPRUSGS13.4 Poor NONE1MainCWAYQADCPVADCP13.487.72860.05SOFTsiltUNEVPULSUNSPNSTDUNSP
122025-07-02 13:57:48PDTYesZPR/GLUSGS34.1 Poor NONE1MainCWAYQADCPVADCP34.179.83590.10UNSPUNSPUNSPUNSPUNSPUNSPUNSP
112025-05-13 11:17:33PDTYesAM PPUSGS927 Poor NONE3423126120145400 CHEW R AT MOUTH 20250513MBOTQADCPVADCP9111455481.66UNSPUNSPUNSPUNSPUNSPUNSPUNSP
112025-05-13 11:17:33PDTYesAM PPUSGS927 Poor NONE2423126120145400 CHEW R AT MOUTH 202505013WADEQSCMMVADV4.4022.014.60.30UNSPUNSPUNSPUNSPUNSPUNSPUNSP
112025-05-13 11:17:33PDTYesAM PPUSGS927 Poor NONE1423126120145400 CHEW R AT MOUTH REW 20250513WADEQSCMMVADV11.119.023.30.48UNSPUNSPUNSPUNSPUNSPUNSPUNSP
102025-04-16 16:53:41PDTYesAM PPUSGS910 Poor NONE1423126120145400 20250416 CHEW R AT MOUTHCWAYQADCPVADCP9101273992.28SOFTsiltUNEVUNSPUNSPUNSPUNSP
92025-03-20 15:00:24PDTYesAM TT JSDUSGS255 Fair NONE1423126120145400 20250320 CHEW R AT MOUTHCWAYQADCPVADCP25596.62171.17SOFTsiltEVENSTDYEVENUNFMUNSP
82025-02-20 10:41:30PSTYesAM PPUSGS171 Poor NONE1423126120145400 CHEW R AT MOUTH 20250220CWAYQADCPVADCP17191.81950.87SOFTsiltUNEVSTDYUNSPUNSPUNSP
72025-01-14 11:30:33PSTYesPP AMUSGS104 Poor NONE1423126120145400 CHEW R AT MOUTH 20250114WADEQSCMMVADV10495.01900.55SOFTsiltUNSPSTDYUNSPUNSPUNSP
62024-12-19 11:19:57PSTYesPP WAUSGSl12.2 Poor NONE1423126120145400 CHEW R AT MOUTH 20241219WADEQSCMMVADV12.288.01480.08SOFTsiltUNEVSTDYUNSPUNSPUNSP
52024-12-11 12:05:59PSTYesSLDUSGS20.7 Poor NONE1423126120145400 CHEW R AT MOUTH BLW RIVERS END RES 20241211WADEQSCMMVADV20.789.01390.15UNSPUNSPUNSPUNSPUNSPUNSPUNSP
42024-10-17 12:51:06PDTYesAM ELUSGS0.13 Poor NONE1423126120145400 CHEW R BLW RES 20241017WADEQSCMMVADV0.134.201.020.13SOFTsiltUNEVUNSPUNSPUNSPUNSP
32024-10-16 16:54:42PDTYesSLDUSGS-2.14 Poor NONE1423126120145400 CHEW R BLW RIVERS END RES 20241016WADEQSCMMVADV-2.1472.0115-0.02UNSPUNSPUNSPUNSPUNSPUNSPUNSP
22024-09-11 10:46:21PDTYesJSDUSGS0.13 Poor NONE1423126120145400 CHEW BLW RES 20240911WADEQSCMMVADV0.136.801.260.10UNSPUNSPUNSPUNSPUNSPUNSPUNSP
12024-09-10 13:59:06PDTYesSLDUSGS-0.99 Poor NONE1423126120145400 20240910WADEQSCMMVADV-0.9963.0109-0.01UNSPUNSPUNSPUNSPUNSPUNSPUNSP