Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 11313000 DELTA-MENDOTA CN A TRACY PP NR TRACY CA
Alameda County, California
Hydrologic Unit Code 18040003
Latitude  37°47'49", Longitude 121°35'03" NAD27
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
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 
762025-06-17 11:03:23PDTYesJRGRANTUSGS3460 FairClearNONE
752024-09-11 10:52:55PDTYesJRGRANT/AMITUSGS4120 GoodClearNONE
742024-04-25 11:13:48PDTYesJRGRANTUSGS950 GoodClearNONE
732023-09-13 10:48:54PDTYesJRGRANTUSGS4180 FairClearNONE
722023-05-09 10:59:14PDTYesJRGRANTUSGS3620 GoodClearNONE
712022-08-23 10:49:04PDTYesJRGRANTUSGS2570 GoodClearNONE
702022-07-21 11:00:43PDTYesJRGRANT/KBARUSGS2610 FairClearNONE
692021-08-18 13:23:09PDTYesJRGRANTUSGS776 FairClearNONE
682021-08-03 10:52:33PDTYesJRGRANT/BROCUSGS794 GoodClearNONE
672019-08-28 13:38:05PDTYesJDJUSGS4240 GoodClearNONE
662019-05-23 13:58:42PDTYesJDJUSGS2710 0.000.25GoodClearNONE
652018-09-06 13:49:28PDTYesJDJ / MAOUSGS2870 0.000.20GoodVegetationLightNONE
642018-09-06 11:14:34PDTYesJDJ / MAOUSGS4260 GoodVegetationLightNONE
632017-08-22 11:17:17PDTYesMHWUSGS4400 Good NONE
622017-06-14 10:29:14PDTYesMHWUSGS4490 Good NONE
612016-08-17 11:16:51PDTYesMHWUSGS3380 Good NONE
602016-06-01 11:05:33PDTYesMHWUSGS817 Good NONE
592015-09-29 11:30:35PDTYesMHWUSGS811 Fair NONE
582015-09-11 10:36:48PDTYesMHWUSGS1690 Good NONE
572014-09-03 10:29:56PDTYesMHWUSGS790 1.50Fair NONE
562014-02-26 10:01:51PSTYesMHW/LJFUSGS795 1.30Good NONE
552013-09-06 14:46:30PDTYesNWS/LJFUSGS3460 2.00GoodUnspecifedNONE
542013-08-22 12:56:40PDTYesMHW/LJFUSGS4290 Good NONE
532012-07-12 10:09PDTYesMHW/LJFUSGS4340 1.50Good NONE
522012-06-05 10:02PDTYesMHW/LJFUSGS1660 Good NONE
512011-09-01 11:38PDTYesMHW/LJFUSGS4250 1.40Unspecified NONE
502011-08-16 12:40PDTYesMHW/LJFUSGS4240 1.60Good NONE
492010-08-24 11:39PDTYesdmsUSGS4020 1.30GoodClearNONE
482009-10-22 11:17:30PDTYesdmsUSGS4060 2.10GoodUnspecifedNONE
472009-09-24 10:43PDTYesdmsUSGS4090 1.40GoodClearNONE
462009-07-31 10:30PDTYesdmsUSGS4090 GoodClearNONE
452008-09-03 11:26PDTYesdmsUSGS4470 GoodClearNONE
442008-08-12 10:00PDTYesdmsUSGS2730 GoodClearNONE
432007-09-21 10:30PDTYesdmsUSGS4270 Good NONE
422007-07-03 09:35PDTYesDMS/LJFUSGS4460 Fair NONE
412006-09-07 09:25PDTYesLJFUSGS4350 Good NONE
402006-07-12 09:35PDTYesLJF/CDNUSGS4420 Good NONE
392005-09-21 09:30PDTYesMHW/LJFUSGS4430 Good NONE
382005-07-08 08:50PDTYesMDG/LJFUSGS4500 Fair NONE
372004-07-22 09:12PDTYesLJF/MDGUSGS4330 Good NONE
362004-05-19 09:10PDTYesLJF/BTYUSGS977 Good NONE
352003-07-29 08:35PDTYesLJF/MDGUSGS3570 Good NONE
342003-06-10 08:32PDTYesMDG/LJFUSGS4500 Good NONE
332002-09-11 09:36PDTYesMJJ/LJFUSGS4320 Good NONE
322002-05-29 08:45PDTYesLJF/BTYUSGS938 GoodClearNONE
312001-08-30 08:20PDTYesLJF/DAHUSGS4140 Good NONE
302001-07-02 09:06PDTYesLJF/BTYUSGS3950 Good NONE
292000-06-06 10:30PDTYesMHW/LJFUSGS1630 GoodClearNONE
282000-06-05 12:30PDTYesMHW/LJFUSGS1620 GoodClearNONE
271999-12-15 10:00PSTYesMHW/LJFUSGS691 Good NONE
261999-08-03 09:18PDTYesJRS/LJFUSGS4270 GoodClearNONE
251999-06-10 09:25PDTYesJRS/LJFUSGS2610 Good NONE
241997-05-07 11:18PDTYesSWA/LJFUSGS696 Good NONE
231997-05-07 09:15PDTYesSWA/LJFUSGS737 Good NONE
221996-07-12 08:48PDTYesLJF/JLOUSGS4250 GoodClearNONE
211996-05-17 11:17PDTYesJLO/LJFUSGS748 GoodClearNONE
201996-05-17 09:30PDTYesLJF/JLOUSGS771 GoodClearNONE
191995-09-26 09:30PDTYesLJF/JLOUSGS4300 GoodClearNONE
181995-06-29 12:01PDTYesJLO/LJFUSGS4390 GoodClearNONE
171995-06-29 09:45PDTYesLJF/JLOUSGS4470 GoodClearNONE
161994-08-19 10:35PDTYesLJF/DMMUSGS2060 GoodClearNONE
151993-10-27 11:00PDTYesLJF/DMMUSGS3960 GoodClearNONE
141993-09-21 10:10PDTYesBTY/LJFUSGS4200 GoodClearNONE
131992-09-24 10:00PDTYesBTY/RWMUSGS1750 Good NONE
121992-07-30 14:18PDTYesBTYUSGS703 Good NONE
111992-07-30 10:15PDTYesBTYUSGS703 Good NONE
101991-10-03 09:11PDTYesBTYUSGS1560 Good NONE
91991-09-25 10:32PDTYesBTYUSGS1510 UnspecifiedClearNONE
81990-09-25 09:50PDTYesGAMUSGS3940 Good NONE
71990-06-26 08:50PDTYesGAMUSGS2530 Good NONE
61989-08-25 08:55PDTYesGAMUSGS4370 Good NONE
51989-05-09 09:25PDTYesGAM/DNUUSGS1790 Good NONE
41988-10-14 09:05PDTYesGAMUSGS4320 Good NONE
31987-08-27 09:10PDTYesSAPUSGS4590 Good NONE
21985-10-15 09:46PDTYesSAPUSGS3910 Good NONE
11984-07-09 09:35PDTYesGAMUSGS4610 Good NONE