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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 1988-05-11 2002-10-21
Inorganics, Major, Metals Water-quality 1988-05-11 2002-10-21
Inorganics, Major, Non-metals Water-quality 1988-05-11 2002-10-21
Inorganics, Minor, Non-metals Water-quality 1990-07-23 2002-10-21
Inorganics, Minor, metals Water-quality 1988-05-11 2002-10-21
Nutrient Water-quality 1988-05-11 2002-10-21
Organics, other Water-quality 1989-10-18 2002-10-21
Organics, pesticide Water-quality 1992-06-17 2002-10-21
Physical Groundwater Levels, Water-quality 1952-03-03 2024-09-11
Radiochemistry Water-quality 2002-10-21 2002-10-21
Stable Isotopes Water-quality 2002-10-21 2002-10-21
n/a USGS Active Groundwater Level Network Site 1952-01-01 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 383422077114601 is associated with a Well in Charles County, Maryland. Water data back to 1952 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
383422077114601 n/a
Site name
CH Cb 7 n/a
Site type
Well
GW
DMS latitude 383422.3 n/a
DMS longitude 0771144.6 n/a
Decimal latitude 38.5728611 n/a
Decimal longitude -77.1957222 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 INDIAN HEAD, MD-VA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 36 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Lower Potomac 02070011
Drainage basin
n/a
Topographic setting
Hillside
S
Flags for instruments at site YNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19520303 n/a
Date site established or inventoried 19530313 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 167 feet n/a
Hole depth
400 feet n/a
Source of depth data D n/a
Project number 442400200 n/a