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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 1990-09-25 1990-09-25
Inorganics, Major, Metals Water-quality 1990-09-25 1990-09-25
Inorganics, Major, Non-metals Water-quality 1990-09-25 1990-09-25
Inorganics, Minor, Non-metals Water-quality 1990-09-25 1990-09-25
Inorganics, Minor, metals Water-quality 1990-09-25 1990-09-25
Nutrient Water-quality 1990-09-25 1990-09-25
Physical Groundwater Levels, Water-quality 1979-03-28 1990-09-25
Radiochemistry Water-quality 1990-09-25 1990-09-25
Water Data for the Nation inventory

Monitoring location 394716075415801 is associated with a Test hole not completed as a well in New Castle County, Delaware. Water data back to 1979 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
394716075415801 n/a
Site name
Bb34-40 n/a
Site type
Test hole not completed as a well
GW-TH
DMS latitude 394716 n/a
DMS longitude 0754158 n/a
Decimal latitude 39.78788897 n/a
Decimal longitude -75.69910028 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
Delaware 10
County
New Castle County 003
Country US n/a
Land net location description n/a
Name of location map KENNETT SQUARE, DE n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 253.21 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Brandywine-Christina 02040205
Drainage basin
n/a
Topographic setting
Sinkhole
K
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19790328 n/a
Date site established or inventoried 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 YYNYNNNN n/a
National aquifer Piedmont and Blue Ridge crystalline-rock aquifers N400PDMBRX
Local aquifer Cockeysville Marble 300CCKV
Local aquifer type
Mixed (confined and unconfined) multiple aquifers X
Well depth 70 feet n/a
Hole depth
70 feet n/a
Source of depth data S n/a
Project number 441002400 n/a