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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 1994-01-10 1994-01-10
Water Data for the Nation inventory

Monitoring location 390944077280601 is associated with a Well in Montgomery County, Maryland. Water data back to 1994 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
390944077280601 n/a
Site name
MO Dc 105 n/a
Site type
Well
GW
DMS latitude 390943.69 n/a
DMS longitude 0772805.64 n/a
Decimal latitude 39.1621361 n/a
Decimal longitude -77.4682333 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 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Montgomery County 031
Country US n/a
Land net location description n/a
Name of location map Poolesville, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 375 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 10 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
Valley flat
V
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19940110 n/a
Date site established or inventoried 20100730 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 YYYY Y n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer Balls Bluff Siltstone 231BALB
Local aquifer type
n/a
Well depth 160 feet n/a
Hole depth
160 feet n/a
Source of depth data D n/a
Project number 2427-DRJ n/a