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Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Physical Groundwater Levels 1970-12-14 1970-12-14
Water Data for the Nation inventory

Monitoring location 383501077113601 is associated with a Test hole not completed as a well in Charles County, Maryland. Water data back to 1970 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
383501077113601 n/a
Site name
CH Bb 21 n/a
Site type
Test hole not completed as a well
GW-TH
DMS latitude 383612 n/a
DMS longitude 0771020 n/a
Decimal latitude 38.6034518 n/a
Decimal longitude -77.1719241 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 INDIAN HEAD, MD-VA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 115 feet n/a
Method altitude determined Altimeter. A
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
19701120 n/a
Date site established or inventoried 19880718 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
Unchecked data. U
Data-other GW files YYYYNNNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Patuxent Formation 217PTXN
Local aquifer type
Confined single aquifer C
Well depth 230 feet n/a
Hole depth
405.3 feet n/a
Source of depth data D n/a
Project number 442409200 n/a

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