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Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Physical Groundwater Levels 1955-08-26 1955-08-26
Water Data for the Nation inventory

Monitoring location 390421077065401 is associated with a Well in Montgomery County, Maryland. Water data back to 1955 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
390421077065401 n/a
Site name
MO Ef 55 n/a
Site type
Well
GW
DMS latitude 390421 n/a
DMS longitude 0770654 n/a
Decimal latitude 39.0726086 n/a
Decimal longitude -77.1147013 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
Maryland 24
State
Maryland 24
County
Montgomery County 031
Country US n/a
Land net location description n/a
Name of location map KENSINGTON, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 330.00 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-Anacostia-Occoquan 02070010
Drainage basin
n/a
Topographic setting
Hillside
S
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19550826 n/a
Date site established or inventoried 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 Piedmont and Blue Ridge crystalline-rock aquifers N400PDMBRX
Local aquifer Boulder Gneiss 300BLDR
Local aquifer type
n/a
Well depth 190 feet n/a
Hole depth
190 feet n/a
Source of depth data n/a
Project number n/a

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