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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 1976-10-28 2024-11-28
n/a USGS Active Groundwater Level Network Site 1976-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2022-01-01
Water Data for the Nation inventory

Monitoring location 385638077220101 is associated with a Well in Fairfax County, Virginia. Current conditions of Depth to water level are available. Water data back to 1976 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
385638077220101 n/a
Site name
52V 2D n/a
Site type
Well
GW
DMS latitude 385658 n/a
DMS longitude 0772201 n/a
Decimal latitude 38.949555 n/a
Decimal longitude -77.3666524 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
Fairfax County 059
Country US n/a
Land net location description n/a
Name of location map VIENNA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 389.27 feet n/a
Method altitude determined GNSS3 - Level 3 Quality Survey Grade Global Navigation Satellite System Y
Altitude accuracy .17 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Middle Potomac-Catoctin 02070008
Drainage basin
n/a
Topographic setting
Undulating
U
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN 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 YNNNNYYN n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer Manassass Sandstone 231MNSS
Local aquifer type
Unconfined multiple aquifer N
Well depth 205 feet n/a
Hole depth
205 feet n/a
Source of depth data n/a
Project number OBS-RS n/a

Operated in cooperation with:

logo for USGS - National Groundwater Monitoring Network
USGS - National Groundwater Monitoring Network