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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
Biological Water-quality 1980-06-05 2015-06-12
Information Water-quality 1976-12-15 2015-08-19
Inorganics, Major, Metals Water-quality 1963-05-09 2015-06-12
Inorganics, Major, Non-metals Water-quality 1963-05-09 2015-08-19
Inorganics, Minor, Non-metals Water-quality 1976-12-15 1985-10-07
Inorganics, Minor, metals Water-quality 1963-05-09 2015-06-12
Microbiological Water-quality 1976-12-15 1986-10-22
Nutrient Water-quality 1963-05-09 2015-06-12
Organics, PCBs Water-quality 1976-12-15 1985-10-07
Organics, other Water-quality 1976-12-15 2015-08-19
Organics, pesticide Water-quality 1976-12-15 2015-08-19
Physical Daily Values, Water-quality 1963-05-09 2015-08-19
Population/Community Water-quality 1980-06-05 1983-07-14
Radiochemistry Water-quality 1979-04-13 1981-04-21
n/a Peak Measurements 1967-06-04 2013-01-16
n/a USGS Annual Water Data Reports Site 2006-01-01 2014-01-01
Water Data for the Nation inventory

Monitoring location 07373278 is associated with a Lake, Reservoir, Impoundment in Concordia Parish, Louisiana. Water data back to 1963 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
07373278 n/a
Site name
Lake Saint John near Waterproof, LA n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 314158 n/a
DMS longitude 0912731 n/a
Decimal latitude 31.69944444 n/a
Decimal longitude -91.4586111 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
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
Concordia Parish 029
Country US n/a
Land net location description S47 T8N R10E n/a
Name of location map NATCHEZ n/a
Scale of location map 62500 n/a
Altitude of Gage/land surface 41.76 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy 01 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
08040306
Drainage basin
n/a
Topographic setting
Flood plain
G
Flags for instruments at site YNYNYNNNNYNNNYNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20020228 n/a
Drainage area
14.80 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN 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