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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
Physical Groundwater Levels 1957-01-28 1957-01-28
Water Data for the Nation inventory

Monitoring location 390900077415301 is associated with a Well in Loudoun County, Virginia. Water data back to 1957 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
390900077415301 n/a
Site name
49X 8 n/a
Site type
Well
GW
DMS latitude 390900 n/a
DMS longitude 0774153 n/a
Decimal latitude 39.15010466 n/a
Decimal longitude -77.6977704 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Virginia 51
State
Virginia 51
County
Loudoun County 107
Country US n/a
Land net location description n/a
Name of location map PURCELLVILLE n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 500.00 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
Middle Potomac-Catoctin 02070008
Drainage basin
n/a
Topographic setting
Hillside
S
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19880822 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST 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 YYYYNNNN n/a
National aquifer n/a
Local aquifer Granite Gneiss 400GRGS
Local aquifer type
n/a
Well depth 134.00 feet n/a
Hole depth
134.00 feet n/a
Source of depth data D n/a
Project number 4451-08500 n/a