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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 294319089485900 Alligator Pass near Delacroix, LA
Plaquemines Parish, Louisiana
Hydrologic Unit Code 08090203
Latitude  29°43'19", Longitude  89°48'59" 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)
92003-02-26 13:47CSTYesTEB/CLJUSGS24204.35 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP242080846800.52UNSPUNSPUNSPunknUNSPUNSPUNSP
82003-01-28 16:23CSTYesCLJ/MLDUSGS-9563.78 PoorClearNONE1Imported Channel 1UNSPQADCPVADCP-9568024260-0.22UNSPUNSPUNSPunknUNSPUNSPUNSP
72003-01-16 11:25CSTYesCLJ/JFUSGS4390 0.000.60GoodClearNONE1Imported Channel 1UNSPQADCPVADCP43908090.000.00UNSPUNSPUNSPunknUNSPUNSPUNSP
62002-08-15 13:17CDTYesTEB/CLJUSGS-21104.880.000.40GoodClearNONE1Imported Channel 1UNSPQADCPVADCP-21108015080-0.42UNSPUNSPUNSPunknUNSPUNSPUNSP
52002-07-02 13:47CDTYesTEB/CLJUSGS-19404.32 PoorClearNONE1Imported Channel 1UNSPQADCPVADCP-19406144650-0.42UNSPUNSPUNSPunknUNSPUNSPUNSP
42002-05-08 08:12CDTYesTEB/CLJUSGS14404.350.000.30GoodClearNONE1Imported Channel 1UNSPQADCPVADCP144062046800.31UNSPUNSPUNSPunknUNSPUNSPUNSP
32002-04-10 11:28CDTYesTEB/CLJUSGS43104.840.000.30GoodClearNONE1Imported Channel 1UNSPQADCPVADCP431078350500.85UNSPUNSPUNSPunknUNSPUNSPUNSP
22002-03-11 14:28CSTYesTEB/GBRUSGS32104.13 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP321077845200.71UNSPUNSPUNSPunknUNSPUNSPUNSP
12002-02-05 12:58CSTYesTEB/CSUSGS-27904.17 Good NONE1Imported Channel 1UNSPQADCPVADCP-27908004540-0.61UNSPUNSPUNSPunknUNSPUNSPUNSP