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Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Physical Groundwater Levels 1952-06-11 1952-06-11
Water Data for the Nation inventory

Monitoring location 383631077071901 is associated with a Well in Charles County, Maryland. Water data back to 1952 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
383631077071901 n/a
Site name
CH Bc 18 n/a
Site type
Well
GW
DMS latitude 383631 n/a
DMS longitude 0770719 n/a
Decimal latitude 38.6087295 n/a
Decimal longitude -77.1216449 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
Charles County 017
Country US n/a
Land net location description n/a
Name of location map PORT TOBACCO, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 145 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-Anacostia-Occoquan 02070010
Drainage basin
n/a
Topographic setting
Hillside
S
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
1940 n/a
Date site established or inventoried 19520611 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 Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Patapsco Formation 217PPSC
Local aquifer type
n/a
Well depth n/a
Hole depth
267 feet n/a
Source of depth data R n/a
Project number 442409200 n/a