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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 1999-10-26 1999-10-26
Inorganics, Major, Metals Water-quality 1999-10-26 1999-10-26
Inorganics, Major, Non-metals Water-quality 1999-10-26 1999-10-26
Inorganics, Minor, Non-metals Water-quality 1999-10-26 1999-10-26
Inorganics, Minor, metals Water-quality 1999-10-26 1999-10-26
Nutrient Water-quality 1999-10-26 1999-10-26
Organics, other Water-quality 1999-10-26 1999-10-26
Physical Groundwater Levels, Water-quality 1962-11-30 1999-10-26
Radiochemistry Water-quality 1999-10-26 1999-10-26
Stable Isotopes Water-quality 1999-10-26 1999-10-26
Water Data for the Nation inventory

Monitoring location 390711077332501 is associated with a Well in Loudoun County, Virginia. Water data back to 1962 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
390711077332501 n/a
Site name
50W 7B n/a
Site type
Well
GW
DMS latitude 390710.56 n/a
DMS longitude 0773325.01 n/a
Decimal latitude 39.11970584 n/a
Decimal longitude -77.55665959 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .01 sec (Differentially-Corrected GPS). H
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 LEESBURG n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 345.00 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
Hilltop
H
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19901213 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 YNNNNNNN n/a
National aquifer n/a
Local aquifer Balls Bluff Siltstone 231BLBF
Local aquifer type
n/a
Well depth 400 feet n/a
Hole depth
400 feet n/a
Source of depth data n/a
Project number n/a