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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 295815091312200 Lower Lake Long Pass 6.1 miles N of Charenton, LA
St. Martin Parish, Louisiana
Hydrologic Unit Code 08080101
Latitude  29°58'15", Longitude  91°31'22" NAD83
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)
232018-03-20 10:56:03CDTYesJGS/EPMUSGS38300 Poor NONE1MainMBOTQADCPVADCP38300869148002.59SOFTsiltUNEVPULSUNEVSTNDUNSP
222017-04-18 09:25:45CDTYestd and emUSGS18900 Poor NONE1MainMBOTQADCPVADCP18900761100001.88UNSPUNSPUNSPUNSPUNSPUNSPUNSP
212016-04-04 12:54CDTYesem tdUSGS24600 Poor NONE1MainMBOTQADCPVADCP24600772117002.10UNSPUNSPUNSPUNSPUNSPUNSPUNSP
202015-03-31 12:11:15CDTYesTAD/EPMUSGS25100 Good NONE1MainMBOTQADCPVADCP25100802120002.09FIRMsiltUNEVunknUNSPUNKNUNSP
192014-05-20 12:35:51CDTYesTCB/TADUSGS16100 Good NONE1MainMBOTQADCPVADCP1610077196101.68SOFTsiltUNEVunknUNSPUNKNUNSP
182013-04-29 12:43:30CDTYesGTS/CLJUSGS20400 0.30Fair NONE1Imported Channel 1MBOTQADCPVADCP20400801107001.92UNSPUNSPUNSPunknUNSPUNSPUNSP
172012-09-10 11:36CDTYesTAD/GTSUSGS2060 0.30Good NONE1Imported Channel 1MBOTQADCPVADCP206071447900.43UNSPUNSPUNSPunknUNSPUNSPUNSP
162011-06-01 20:21CDTYesSMP/ADUSGS42800 UnspecifiedUnspecifedNONE1Imported Channel 1UNSPother 42800 UNSPUNSPUNSPunknUNSPUNSPUNSP
152010-05-03 09:23CDTYestad/epmUSGS12100 Unspecified NONE1Imported Channel 1UNSPQADCPVADCP1210079687201.39UNSPUNSPUNSPunknUNSPUNSPUNSP
142009-07-28 09:14CDTYesTAD/EPMUSGS6260 UnspecifiedUnspecifedNONE1Imported Channel 1UNSPQADCPVADCP626073963000.99UNSPUNSPUNSPunknUNSPUNSPUNSP
132008-04-02 11:12CDTYesTAD/EPMUSGS27500 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP27500849127002.16UNSPUNSPUNSPunknUNSPUNSPUNSP
122008-02-27 10:58CSTYesTAD/EPMUSGS21300 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP21300816107001.99UNSPUNSPUNSPunknUNSPUNSPUNSP
112007-04-30 12:10CDTYesCLJ/KJGUSGS16500 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP1650078591801.80UNSPUNSPUNSPunknUNSPUNSPUNSP
102007-03-21 09:21CDTYesTAD/EPMUSGS14800 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP1480081588801.67UNSPUNSPUNSPunknUNSPUNSPUNSP
92007-01-29 11:01CSTYesTAD/EPMUSGS24600 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP24600816114002.16UNSPUNSPUNSPunknUNSPUNSPUNSP
82006-05-23 14:52CDTYesTAD/SMPUSGS9660 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP966077072001.34UNSPUNSPUNSPunknUNSPUNSPUNSP
72006-03-28 09:45CSTYesTAD/EPMUSGS15000 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP1500081187201.72UNSPUNSPUNSPunknUNSPUNSPUNSP
62005-04-13 14:23CDTYesSMP/EPMUSGS15900 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP1590078692301.72UNSPUNSPUNSPunknUNSPUNSPUNSP
52005-03-14 14:37CSTYesSMP/GBRUSGS18700 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP18700821101001.85UNSPUNSPUNSPunknUNSPUNSPUNSP
42005-02-03 18:52CSTYesSMP/GBRUSGS35700 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP35700839135002.66UNSPUNSPUNSPunknUNSPUNSPUNSP
32004-06-16 14:19CDTYesSMP/JRFUSGS19400 GoodDebrisLightNONE1Imported Channel 1UNSPQADCPVADCP19400819102001.90UNSPUNSPUNSPunknUNSPUNSPUNSP
22004-04-21 12:23CDTYesEPM/TEBUSGS13500 GoodDebrisLightNONE1Imported Channel 1UNSPQADCPVADCP1350088286801.56UNSPUNSPUNSPunknUNSPUNSPUNSP
12004-03-17 13:40CSTYesSMP/EPMUSGS18800 GoodDebrisLightNONE1Imported Channel 1UNSPQADCPVADCP1880081197901.92UNSPUNSPUNSPunknUNSPUNSPUNSP