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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 14312330 SOUTH UMPQUA RIVER AT MELROSE, OR
Douglas County, Oregon
Hydrologic Unit Code 171003021305
Latitude  43°15'06.34", Longitude 123°26'51.72" NAD83
Drainage area 1,770.0  square miles
Gage datum 373.0 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 
72025-07-15 13:48:33PDTYesTLCusgs1410.920.001.30FairVegetationLightunkn
62025-07-15 10:52PDTYesTLCusgs1450.930.001.00FairVegetationLightunkn
52025-06-10 13:28PDTYesTLCusgs4421.390.000.50GoodClearunkn
42025-05-15 18:29PDTYesTLCUSGS10402.040.000.40PoorClearunkn
32025-05-15 16:58:14PDTYesTLCUSGS10502.050.000.20PoorClearunkn
22024-12-30 12:12PSTYesTLC/TLTUSGS3000012.21-0.320.60FairDebrisModerateunkn
12024-11-21 12:56PSTYesWDR/BDTUSGS149007.71-0.050.40GoodClearunkn