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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 Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1972-04-13 1974-07-01
Inorganics, Major, Metals Water-quality 1972-10-18 1976-06-28
Inorganics, Major, Non-metals Water-quality 1972-04-13 1976-06-28
Inorganics, Minor, metals Water-quality 1972-10-18 1976-06-28
Nutrient Water-quality 1972-10-18 1976-06-28
Physical Groundwater Levels, Water-quality 1972-04-13 2024-10-15
n/a USGS Active Groundwater Level Network Site 1972-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2013-01-01 2013-01-01
Water Data for the Nation inventory

Monitoring location 311948091530701 is associated with a Well in Catahoula Parish, Louisiana. Water data back to 1972 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
311948091530701 n/a
Site name
Ct-87 n/a
Site type
Well
GW
DMS latitude 311948 n/a
DMS longitude 0915307 n/a
Decimal latitude 31.33017985 n/a
Decimal longitude -91.8854022 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Louisiana 22
State
Louisiana 22
County
Catahoula Parish 025
Country US n/a
Land net location description NENWNWS 17T 4N R 6E n/a
Name of location map LARTO LAKE SOUTH, LA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 50.85 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
08040301
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19720413 n/a
Date site established or inventoried 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
Unchecked data. U
Data-other GW files YYNNNYNN n/a
National aquifer Mississippi River Valley alluvial aquifer N100MSRVVL
Local aquifer Mississippi River Valley Alluvial Aquifers 112MRVA
Local aquifer type
Unconfined single aquifer U
Well depth 126 feet n/a
Hole depth
136 feet n/a
Source of depth data n/a
Project number n/a

Operated in cooperation with:

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Louisiana Department of Transportation and Development
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USGS - Cooperative Matching Funds