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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 14306950 SIUSLAW RIVER NEAR ALMA, OR


Lane County, Oregon
Hydrologic Unit Code 17100206
Latitude  43°55'16.1", Longitude 123°36'41.69" NAD83
Drainage area 157  square miles
Gage datum 376 feet above NAVD88
Output formats
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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
 
92025-11-20 13:17:27PSTYesKGFUSGS68.311.77 PoorDebrisModerateNONE
82025-08-06 15:04:17PDTYesGCM/ILZusgs17.29.43 FairDebrisLightNONE
72025-08-06 15:01:01PDTYesGCM/ILZusgs18.69.43 FairDebrisLightNONE
62025-07-07 14:07:30PDTYesGCMusgs34.410.22 GoodDebrisLightNONE
52025-07-07 12:38:55PDTYesGCMusgs37.610.22 FairDebrisLightNONE
42025-05-20 12:08:10PDTYesGCMusgs95.511.31 PoorClearNONE
32025-03-18 10:13:36PDTYesGCMusgs435021.67-0.070.30PoorClearNONE
22025-02-24 08:58:06PSTYesGCMusgs270018.34 FairClearNONE
12025-01-14 17:30:30PSTYesGCMusgs45213.48 PoorClearNONE