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Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1996-11-24 1996-11-24
Inorganics, Major, Metals Water-quality 1996-11-24 1996-11-24
Inorganics, Major, Non-metals Water-quality 1996-11-24 1996-11-24
Inorganics, Minor, metals Water-quality 1996-11-24 1996-11-24
Physical Groundwater Levels, Water-quality 1993-06-25 2024-12-10
n/a USGS Active Groundwater Level Network Site 1993-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2011-01-01
Water Data for the Nation inventory

Monitoring location 383645077062401 is associated with a Well in Charles County, Maryland. Water data back to 1993 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
383645077062401 n/a
Site name
CH Bc 75 n/a
Site type
Well
GW
DMS latitude 383646.9 n/a
DMS longitude 0770621.4 n/a
Decimal latitude 38.61302778 n/a
Decimal longitude -77.1059444 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
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
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 109.64 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .50 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Lower Potomac 02070011
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19930615 n/a
Date site established or inventoried 19930625 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 YYYNNYNN 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 940 feet n/a
Hole depth
1165 feet n/a
Source of depth data R n/a
Project number n/a