Skip to main content

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 1998-02-05 1998-02-05
Water Data for the Nation inventory

Monitoring location 381220076285801 is associated with a Well in St. Mary's County, Maryland. Water data back to 1998 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
381220076285801 n/a
Site name
SM Ef 95 n/a
Site type
Well
GW
DMS latitude 381220 n/a
DMS longitude 0762858 n/a
Decimal latitude 38.20555556 n/a
Decimal longitude -76.48277778 n/a
Latitude-longitude method
Reported. R
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
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
St. Mary's County 037
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 92.73 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
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
19980205 n/a
Date site established or inventoried 20110419 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 YYYY Y n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Piney Point Formation 124PNPN
Local aquifer type
Confined single aquifer C
Well depth 380 feet n/a
Hole depth
420 feet n/a
Source of depth data D n/a
Project number 2427CD5 n/a