Agency
U.S. Geological Survey
USGS
Site identification number
395312075431301
n/a
Site name
CH 4004
n/a
Site type
Well
GW
DMS latitude
395312
n/a
DMS longitude
0754313
n/a
Decimal latitude
39.8867758
n/a
Decimal longitude
-75.7199387
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
Pennsylvania
42
State
Pennsylvania
42
County
Chester County
029
Country
US
n/a
Land net location description
n/a
Name of location map
UNIONVILLE
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
442
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
Brandywine-Christina
02040205
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
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
Wissahickon Formation, Oligoclase Mica Schist
300WSCKO
Local aquifer type
n/a
Well depth
365
feet
n/a
Hole depth
n/a
Source of depth data
O
n/a
Project number
444200340
n/a
