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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 2005-04-05 2015-07-20
Inorganics, Major, Metals Water-quality 2005-08-09 2015-07-20
Inorganics, Major, Non-metals Water-quality 2005-04-05 2015-07-20
Inorganics, Minor, Non-metals Water-quality 2005-08-09 2015-07-20
Inorganics, Minor, metals Water-quality 2005-08-09 2015-07-20
Nutrient Water-quality 2005-08-09 2015-07-20
Organics, other Water-quality 2005-04-05 2015-07-20
Organics, pesticide Water-quality 2005-08-09 2005-08-09
Physical Groundwater Levels, Water-quality 2005-04-05 2023-09-29
Radiochemistry Water-quality 2005-08-09 2015-07-20
Sediment Water-quality 2005-04-05 2005-04-05
n/a USGS Active Groundwater Level Network Site 2005-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2006-01-01
Water Data for the Nation inventory

Monitoring location 384323090405801 is associated with a Well in St. Charles County, Missouri. Water data back to 2005 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
384323090405801 n/a
Site name
46N3E-22.8b1 n/a
Site type
Well
GW
DMS latitude 384323.5 n/a
DMS longitude 0904058.5 n/a
Decimal latitude 38.72319444 n/a
Decimal longitude -90.6829167 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 (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Illinois 17
State
Missouri 29
County
St. Charles County 183
Country US n/a
Land net location description NWSWSWS22 T46N R3E n/a
Name of location map WELDON SPRING n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 515 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
07110009
Drainage basin
n/a
Topographic setting
Undulating
U
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
20050405 n/a
Date site established or inventoried 20050523 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YY Y Y n/a
National aquifer Sand and gravel aquifers (glaciated regions) N100GLCIAL
Local aquifer Quaternary System 110QRNR
Local aquifer type
Unconfined single aquifer U
Well depth 29.3 feet n/a
Hole depth
29.4 feet n/a
Source of depth data S n/a
Project number 24079BI00 n/a