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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 11121900 GIBRALTAR DAM DIV WEIR A GIBRALTAR DAM CA
Santa Barbara County, California
Hydrologic Unit Code 18060010
Latitude  34°31'27", Longitude 119°41'10" NAD27
Gage datum 1,229.06 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 		 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)
162025-08-04 16:08:17PDTYesGRUIZUSGS11.119.42 PoorClearNONE18.4.25WADEQSCMMVADV11.14.006.781.63FIRMLDGEEVENPULSUNSPNSTDDNST8.00
152025-06-11 16:08:01PDTNo
142024-09-06 18:33:04PDTYesJSOLUMUSGS9.6419.350.010.80PoorClearNONE1FlumeWADEQSCMMVADV9.644.407.931.22FIRMLDGEEVENPULSUNEVNSTDATGA0.00
132024-08-27 17:58:30PDTYesJSOLUMUSGS11.119.430.000.90PoorClearNONE1Flume/ChuteWADEQSCMMVADV11.14.408.451.31FIRMLDGEEVENPULSUNEVNSTDATGA0.00
122024-07-22 13:53PDTNo
112024-07-22 12:44PDTNo
102024-05-15 13:48:30PDTNo
92024-05-15 13:29:30PDTNo
82023-09-21 13:34:30PDTYesRGRACILIANO/USGS9.8419.440.000.50PoorClearNONE1MainWADEQSCMMVPAA9.844.708.641.14FIRMLDGEEVENPULSEVENNSTDATGA0.00
72022-11-18 13:57:30PSTNo
62022-11-18 13:50PSTYesNHIGGINSONUSGS0.00417.58 PoorVegetationLightNONE1volumeOTHRQVOLM 0.004 UNSPUNSPUNSPUNSPEVENUNSPATGA0.00
52022-07-20 13:37:30PDTYesDRUDE/NHIGGIUSGS0.0037217.560.000.25PoorVegetationLightNONE1FlumeOTHRQVOLM 0.00372 FIRMLDGEEVENSTDYUNSPUNKNDNST2.00
42021-10-05 12:25PDTYesDMONSALVEUSGS0.0032617.58 FairClearNONE1Diversion FlumeOTHRQVOLM 0.00326 UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
32021-03-26 10:52:30PDTYesDMONSALVEUSGS0.0052917.580.000.25PoorClearNONE1Diversion WeirOTHRQVOLM 0.00529 FIRMLDGEEVENSTDYUNSPUNFMDNST10.00
22020-10-01 15:01PDTNo