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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 300115090245000 Bonnet Carre Spillway @ U S Hwy 61 near Norco, LA
St. Charles Parish, Louisiana
Hydrologic Unit Code 08090203
Latitude  30°01'15", Longitude  90°24'50" 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 
1272020-04-14 10:32:30CDTYesTCB/CLJUSGS80500 Fair NONE
1262020-04-13 10:44:30CDTYesSMP/JWAUSGS86200 0.192.20Fair NONE
1252020-04-10 10:39:30CDTYesTCB/EGCUSGS67900 Fair NONE
1242019-05-24 10:13CDTYesJWA/GTS/BNCUSGS156000 0.002.00FairDebrisHeavyNONE
1232019-05-20 10:07:30CDTYesJWA/BNC/CJUSGS147000 Fair NONE
1222019-05-17 09:59:30CDTYesTCB/GTS/JIPUSGS129000 -0.051.53Fair NONE
1212019-03-24 10:00:30CDTYesgts/jaw/cljUSGS167000 Fair NONE
1202019-03-21 10:18CDTYesgts/jwa/bncUSGS174000 Fair NONE
1192019-03-19 10:10:30CDTYesJWA/TAD/BNCUSGS176000 0.022.00FairDebrisHeavyNONE
1182019-03-18 10:00CDTYesTCB/TAD/JPUSGS174000 Fair NONE
1172019-03-17 09:53CDTYesJWA/GTS/BNCUSGS177000 -0.022.00FairDebrisHeavyNONE
1162019-03-15 10:13:30CDTYesTCB/GTS/JWAUSGS174000 Fair NONE
1152019-03-12 10:57CDTYesgts/clj/bncUSGS180000 0.062.20Fair NONE
1142019-03-09 10:16:30CSTYesTCB/JWA/JABUSGS162000 0.011.80Fair NONE
1132019-03-06 10:36:30CSTYesTCB/CLJUSGS133000 Fair NONE
1122019-03-03 10:27:30CSTYesTCB/CLJ/JWAUSGS96100 Fair NONE
1112018-03-26 11:06:30CDTYesTCB/GTSUSGS94600 -0.182.30Fair NONE
1102018-03-24 10:12CDTYesJLH/CLJUSGS135000 -0.142.00Fair NONE
1092018-03-22 11:05CDTYesSMP/CLJUSGS170000 -0.083.00Fair NONE
1082018-03-21 10:36:30CDTYesJLH/TADUSGS195000 0.002.20Fair NONE
1072018-03-20 10:37CDTYesJLH/TADUSGS194000 -0.05 Fair NONE
1062018-03-19 11:18CDTYesJLH/CLJUSGS170000 -0.312.50Fair NONE
1052018-03-18 10:34CDTYessmp/tcbUSGS165000 0.052.50Fair NONE
1042018-03-17 11:26:30CDTYesgts/cljUSGS146000 0.022.50Fair NONE
1032018-03-15 11:14CDTYesgts/TCB/JHUSGS152000 0.143.00Fair NONE
1022018-03-14 10:59:30CDTYesgts/TADUSGS125000 Fair NONE
1012016-01-31 09:45CSTYesPAE/LHUSGS21000 Fair NONE
1002016-01-30 10:37:30CSTYesMAL/SVMUSGS49700 Fair NONE
992016-01-28 11:00CSTYesMAL/JKLUSGS96000 Fair NONE
982016-01-27 10:40CSTYesPAE/SMDUSGS121000 Fair NONE
972016-01-26 10:40CSTYesSMPUSGS136000 Fair NONE
962016-01-25 10:11CSTYesTCBUSGS160000 Fair NONE
952016-01-24 10:12:30CSTYesTCBUSGS163000 Fair NONE
942016-01-23 11:23:30CSTYesTCB/JKLUSGS171000 Fair NONE
932016-01-22 11:02CSTYesTCB/JKLUSGS163000 Fair NONE
922016-01-21 13:05CSTYesTCB/JKLUSGS156000 Fair NONE
912016-01-20 10:27:30CSTYesPCF/RBFUSGS171000 Fair NONE
902016-01-19 11:00CSTYesDK/SPUSGS185000 Fair NONE
892016-01-18 11:10CSTYesDK/SPUSGS179000 Fair NONE
882016-01-17 12:05CSTYesCPF/VEWUSGS176000 Fair NONE
872016-01-16 12:13:30CSTYesJL/CSUSGS140000 Fair NONE
862016-01-15 14:30CSTYesJL/PFUSGS120000 Fair NONE
852016-01-14 11:32:30CSTYesCPF/SMPUSGS92700 Fair NONE
842016-01-13 03:18CSTYesPAEUSGS86000 Fair NONE
832016-01-12 11:30CSTYesPAEUSGS53500 Fair NONE
822016-01-11 12:45CSTYesGTS/CLJUSGS39400 Fair NONE
812011-06-17 13:15CDTYesTEB/SMWUSGS35300 UnspecifiedUnspecifedNONE
802011-06-15 13:10CDTYesTEB/SMWUSGS74900 UnspecifiedUnspecifedNONE
792011-06-13 09:18CDTYesGTS/SMWUSGS127000 UnspecifiedUnspecifedNONE
782011-06-10 08:34CDTYesPAE/GTSUSGS166000 UnspecifiedUnspecifedNONE
772011-06-08 08:07CDTYesWBS/TEBUSGS183000 UnspecifiedUnspecifedNONE
762011-06-06 08:35CDTYesSMP/JGSUSGS212000 UnspecifiedUnspecifedNONE
752011-06-03 08:15CDTYesWBS/CJUSGS266000 UnspecifiedUnspecifedNONE
742011-05-31 08:13CDTYesCJ/VGBUSGS276000 UnspecifiedUnspecifedNONE
732011-05-30 07:55CDTYesCPF/JLKUSGS277000 UnspecifiedUnspecifedNONE
722011-05-29 08:07CDTYesWBS/ADUSGS272000 UnspecifiedUnspecifedNONE
712011-05-28 08:15CDTYesWBS/ADUSGS293000 UnspecifiedUnspecifedNONE
702011-05-27 08:24CDTYesGTS/CLJUSGS297000 UnspecifiedUnspecifedNONE
692011-05-26 08:20CDTYesCJ/VBUSGS289000 UnspecifiedUnspecifedNONE
682011-05-25 08:05CDTYesVB/CJUSGS299000 UnspecifiedUnspecifedNONE
672011-05-24 08:17CDTYesCJ/VBUSGS281000 UnspecifiedUnspecifedNONE
662011-05-24 08:12CDTYesCJ/VBUSGS292000 UnspecifiedUnspecifedNONE
652011-05-23 08:12CDTYesCJ/VBUSGS296000 UnspecifiedUnspecifedNONE
642011-05-23 08:12CDTYesCJ/VBUSGS304000 UnspecifiedUnspecifedNONE
632011-05-22 08:55CDTYesWBS/USGS310000 UnspecifiedUnspecifedNONE
622011-05-21 08:11CDTYesWBS/JKLUSGS266000 UnspecifiedUnspecifedNONE
612011-05-21 08:07CDTYesWBS/USGS286000 UnspecifiedUnspecifedNONE
602011-05-21 08:00CDTYesWBS/JMGUSGS310000 UnspecifiedUnspecifedNONE
592011-05-20 08:15CDTYesWBS/JMGUSGS306000 UnspecifiedUnspecifedNONE
582011-05-19 08:20CDTYesWBS/CMSUSGS314000 UnspecifiedUnspecifedNONE
572011-05-18 09:00CDTYesRF/CSUSGS309000 UnspecifiedUnspecifedNONE
562011-05-17 12:40CDTYesRF/DKUSGS314000 UnspecifiedUnspecifedNONE
552011-05-17 09:30CDTNo
542011-05-16 05:35CDTYesWBS/CLJUSGS311000 UnspecifiedUnspecifedNONE
532011-05-15 05:50CDTYesWBS/CLJUSGS290000 UnspecifiedUnspecifedNONE
522011-05-14 06:35CDTYesSMP/DIZUSGS257000 UnspecifiedUnspecifedNONE
512011-05-13 14:00CDTYesSMP/ADUSGS245000 UnspecifiedUnspecifedNONE
502011-05-12 13:30CDTYesWBS/SMPUSGS170000 UnspecifiedUnspecifedNONE
492011-05-11 09:50CDTYesTB/SPUSGS102000 UnspecifiedUnspecifedNONE
482008-05-07 07:35CDTYesBPS/LPUSGS44200 UnspecifiedUnspecifedNONE
472008-05-05 08:00CDTYesCMS/DKUSGS89600 UnspecifiedUnspecifedNONE
462008-05-02 07:30CDTYesJKL/CMSUSGS136000 UnspecifiedUnspecifedNONE
452008-04-30 08:05CDTYesPS/DKUSGS155000 UnspecifiedUnspecifedNONE
442008-04-28 10:15CDTYesCMS/ESUSGS164000 UnspecifiedUnspecifedNONE
432008-04-25 08:10CDTYesRF/PSUSGS161000 UnspecifiedUnspecifedNONE
422008-04-24 08:00CDTYesRF/PSUSGS167000 UnspecifiedUnspecifedNONE
412008-04-23 07:48CDTYesJKL/PSUSGS155000 UnspecifiedUnspecifedNONE
402008-04-22 07:40CDTYesJKL/CSUSGS169000 UnspecifiedUnspecifedNONE
392008-04-21 07:54CDTYesDK/CPFUSGS166000 UnspecifiedUnspecifedNONE
382008-04-20 08:20CDTYesDK/JGUSGS156000 UnspecifiedUnspecifedNONE
372008-04-19 07:33CDTYesJKL/CPFUSGS139000 UnspecifiedUnspecifedNONE
362008-04-18 07:50CDTYesRF/JGUSGS120000 UnspecifiedUnspecifedNONE
352008-04-17 07:25CDTYesRF/SSUSGS98600 UnspecifiedUnspecifedNONE
342008-04-16 08:00CDTYesDK/DDUSGS82000 UnspecifiedUnspecifedNONE
332008-04-15 07:57CDTYesDK/JKLUSGS67900 UnspecifiedUnspecifedNONE
322008-04-14 09:10CDTYesJKL/CPFUSGS73000 UnspecifiedUnspecifedNONE
312008-04-13 08:25CDTYesCS/CPFUSGS83600 UnspecifiedUnspecifedNONE
302008-04-12 08:05CDTYesWBS/CSUSGS40700 UnspecifiedUnspecifedNONE
291997-04-16 09:35CDTYesCPF/DBUSGS42400 UnspecifiedUnspecifedNONE
281997-04-15 09:35CDTYesCPF/DBUSGS136000 UnspecifiedUnspecifedNONE
271997-04-08 08:35CDTYesPAE/RTUSGS144000 UnspecifiedUnspecifedNONE
261997-04-04 08:25CSTYesWBS/CPFUSGS176000 UnspecifiedUnspecifedNONE
251997-04-02 09:00CSTYesBDM/CPFUSGS196000 UnspecifiedUnspecifedNONE
241997-03-31 08:20CSTYesWBS/BDMUSGS209000 UnspecifiedUnspecifedNONE
231997-03-30 07:30CSTYesWBS/VGBUSGS209000 UnspecifiedUnspecifedNONE
221997-03-29 07:15CSTYesWBS/VGBUSGS228000 UnspecifiedUnspecifedNONE
211997-03-28 07:10CSTYesWBS/DJUSGS237000 UnspecifiedUnspecifedNONE
201997-03-27 07:00CSTYesWBS/DJUSGS243000 UnspecifiedUnspecifedNONE
191997-03-26 06:55CSTYesWBS/DJUSGS232000 UnspecifiedUnspecifedNONE
181997-03-25 07:00CSTYesWBS/DJUSGS219000 UnspecifiedUnspecifedNONE
171997-03-24 07:40CSTYesWBS/DJUSGS212000 UnspecifiedUnspecifedNONE
161997-03-23 07:00CSTYesWBS/VGBUSGS190000 UnspecifiedUnspecifedNONE
151997-03-22 06:30CSTYesWBS/VGBUSGS167000 UnspecifiedUnspecifedNONE
141997-03-21 05:30CSTYesWBS/PAEUSGS147000 UnspecifiedUnspecifedNONE
131997-03-20 05:50CSTYesWBS/PAEUSGS97600 UnspecifiedUnspecifedNONE
121997-03-19 05:48CSTYesWBS/PAEUSGS71400 UnspecifiedUnspecifedNONE
111997-03-17 11:45CSTYesWBS/RWUSGS14300 UnspecifiedUnspecifedNONE
101994-05-31 10:10CDTYesWSUSGS11.2 Unspecified NONE
91994-05-25 13:00CDTYesWBS/CRUSGS14000 UnspecifiedUnspecifedNONE
81994-05-23 11:27CDTYesCR/WBSUSGS10100 UnspecifiedUnspecifedNONE
71994-05-20 11:48CDTYesWBS/DJWUSGS8410 UnspecifiedUnspecifedNONE
61994-05-18 13:00CDTYesWBS/DJWUSGS8630 UnspecifiedUnspecifedNONE
41994-05-17 08:20CDTYesWBS/DJWUSGS8740 UnspecifiedUnspecifedNONE
31994-05-15 -- ----YesWBS/MLRUSGS7300 UnspecifiedUnspecifedNONE
21994-05-11 09:50CDTYesCR/WBSUSGS8740 UnspecifiedUnspecifedNONE