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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
Information Water-quality 2010-03-11 2010-03-11
Inorganics, Major, Metals Water-quality 2010-03-11 2010-03-11
Inorganics, Major, Non-metals Water-quality 2010-03-11 2010-03-11
Inorganics, Minor, Non-metals Water-quality 2010-03-11 2010-03-11
Inorganics, Minor, metals Water-quality 2010-03-11 2010-03-11
Nutrient Water-quality 2010-03-11 2010-03-11
Physical Groundwater Levels, Water-quality 2007-11-08 2024-09-12
Radiochemistry Water-quality 2010-03-11 2010-03-11
Stable Isotopes Water-quality 2010-03-11 2010-03-11
n/a USGS Active Groundwater Level Network Site 2007-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2010-01-01 2011-01-01
Water Data for the Nation inventory

Monitoring location 381440076271701 is associated with a Well in St. Mary's County, Maryland. Water data back to 2007 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
381440076271701 n/a
Site name
SM Ef 94 n/a
Site type
Well
GW
DMS latitude 381440 n/a
DMS longitude 0762717 n/a
Decimal latitude 38.24444444 n/a
Decimal longitude -76.4547222 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. 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 St Marys City n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 80 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 10 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
20050629 n/a
Date site established or inventoried 20080506 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 YYY Y n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Upper Patapsco Aquifer In the Patapsco Formation 217PPSCU
Local aquifer type
Confined single aquifer C
Well depth 904 feet n/a
Hole depth
1000 feet n/a
Source of depth data D n/a
Project number n/a