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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, Groundwater Levels, Unit Values 1942-01-01 2024-11-23
n/a USGS Active Groundwater Level Network Site 1942-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 331438092411901 is associated with a Well in Union County, Arkansas. Current conditions of Depth to water level are available. Water data back to 1942 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
331438092411901 n/a
Site name
17S15W18DBB1 Monsanto n/a
Site type
Well
GW
DMS latitude 331438.96 n/a
DMS longitude 0924129.21 n/a
Decimal latitude 33.24415556 n/a
Decimal longitude -92.6914472 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Arkansas 05
State
Arkansas 05
County
Union County 139
Country US n/a
Land net location description NWNWSES 18T 17S R 15W 5 n/a
Name of location map EL DORADO WEST, AR n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 182.23 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .16 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
08040201
Drainage basin
n/a
Topographic setting
Undulating
U
Flags for instruments at site NNNNYNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
19420101 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
Data have been checked by the reporting agency. C
Data-other GW files YYNYNYNN n/a
National aquifer Mississippi embayment aquifer system S100MSEMBM
Local aquifer Sparta Sand 124SPRT
Local aquifer type
Confined single aquifer C
Well depth 540 feet n/a
Hole depth
n/a
Source of depth data n/a
Project number 85789WL00 n/a

Operated in cooperation with:

logo for Union County Water Conservation Board
Union County Water Conservation Board
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds