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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 1999-09-30 2024-11-21
n/a Peak Measurements 1999-09-21 2022-11-14
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 073813498 is associated with an Estuary in Terrebonne Parish, Louisiana. Current conditions of Gage height, Salinity, Specific conductance, and more are available. Water data back to 1999 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
073813498 n/a
Site name
Caillou Bay SW of Cocodrie, LA n/a
Site type
Estuary
ES
DMS latitude 290441 n/a
DMS longitude 0905217 n/a
Decimal latitude 29.07805556 n/a
Decimal longitude -90.8713889 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Louisiana 22
State
Louisiana 22
County
Terrebonne Parish 109
Country US n/a
Land net location description S T 21S R 15E n/a
Name of location map CENTRAL ISLES DERNIE n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface -0.41 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .05 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
08090302
Drainage basin
n/a
Topographic setting
Lake or Swamp
L
Flags for instruments at site YNNNYNNYNNNNNYNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19990629 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YNNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a

Operated in cooperation with:

logo for Louisiana Department of Wildlife & Fisheries
Louisiana Department of Wildlife & Fisheries
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds