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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 1990-05-29 1990-05-29
Inorganics, Major, Metals Water-quality 1990-05-29 1990-05-29
Inorganics, Major, Non-metals Water-quality 1990-05-29 1990-05-29
Inorganics, Minor, metals Water-quality 1990-05-29 1990-05-29
Nutrient Water-quality 1990-05-29 1990-05-29
Organics, other Water-quality 1990-05-29 1990-05-29
Organics, pesticide Water-quality 1990-05-29 1990-05-29
Physical Groundwater Levels, Water-quality 1972-08-01 1990-05-29
Radiochemistry Water-quality 1990-05-29 1990-05-29
Water Data for the Nation inventory

Monitoring location 391621076474201 is associated with a Well in Howard County, Maryland. Water data back to 1972 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
391621076474201 n/a
Site name
HO Bf 81 n/a
Site type
Well
GW
DMS latitude 391621 n/a
DMS longitude 0764742 n/a
Decimal latitude 39.2726062 n/a
Decimal longitude -76.7946956 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
Howard County 027
Country US n/a
Land net location description n/a
Name of location map ELLICOTT CITY, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 330 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
Gunpowder-Patapsco 02060003
Drainage basin
n/a
Topographic setting
Hillside
S
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19720801 n/a
Date site established or inventoried 19881005 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 YYYYNNNN n/a
National aquifer Piedmont and Blue Ridge crystalline-rock aquifers N400PDMBRX
Local aquifer Oella Formation 300OELL
Local aquifer type
n/a
Well depth 200 feet n/a
Hole depth
200 feet n/a
Source of depth data D n/a
Project number 442409300 n/a