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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 1961-04-27 1961-04-27
Inorganics, Major, Metals Water-quality 1961-04-27 1961-04-27
Inorganics, Major, Non-metals Water-quality 1961-04-27 1961-04-27
Inorganics, Minor, metals Water-quality 1961-04-27 1961-04-27
Nutrient Water-quality 1961-04-27 1961-04-27
Physical Groundwater Levels, Water-quality 1954-06-08 1961-04-27
Water Data for the Nation inventory

Monitoring location 383448077105201 is associated with a Test hole not completed as a well in Charles County, Maryland. Water data back to 1954 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
383448077105201 n/a
Site name
CH Cb 16 n/a
Site type
Test hole not completed as a well
GW-TH
DMS latitude 383448 n/a
DMS longitude 0771052 n/a
Decimal latitude 38.58011915 n/a
Decimal longitude -77.18081299 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
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 31 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
Undulating
U
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
1954 n/a
Date site established or inventoried 19560123 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 YYNYNNNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Patuxent Formation 217PTXN
Local aquifer type
Confined multiple aquifers M
Well depth 302 feet n/a
Hole depth
605 feet n/a
Source of depth data D n/a
Project number 442409200 n/a