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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 1992-03-19 2023-09-28
n/a USGS Active Groundwater Level Network Site 1992-01-01 2020-01-01
Water Data for the Nation inventory

Monitoring location 383256077015301 is associated with a Well in Charles County, Maryland. Water data back to 1992 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
383256077015301 n/a
Site name
CH Cd 42 n/a
Site type
Well
GW
DMS latitude 383256.19 n/a
DMS longitude 0770210.04 n/a
Decimal latitude 38.54894167 n/a
Decimal longitude -77.0361222 n/a
Latitude-longitude method
Differentially corrected Global Positioning System. D
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
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 187.62 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Lower Potomac 02070011
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19920319 n/a
Date site established or inventoried 19930203 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 YYYYNYNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Lower Patapsco Aquifer In the Patapsco Formation 217PPSCL
Local aquifer type
Confined single aquifer C
Well depth 945 feet n/a
Hole depth
1020 feet n/a
Source of depth data D n/a
Project number 442404000 n/a