Agency
U.S. Geological Survey
USGS
Site identification number
394457075581601
n/a
Site name
CH 254
n/a
Site type
Well
GW
DMS latitude
394456.9
n/a
DMS longitude
0755813.9
n/a
Decimal latitude
39.74913889
n/a
Decimal longitude
-75.97052778
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
Pennsylvania
42
State
Pennsylvania
42
County
Chester County
029
Country
US
n/a
Land net location description
n/a
Name of location map
BAY VIEW
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
517
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
Chester-Sassafras
02060002
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19821222
n/a
Date site established or inventoried
19870223
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
Piedmont and Blue Ridge crystalline-rock aquifers
N400PDMBRX
Local aquifer
Wissahickon Formation, Oligoclase Mica Schist
300WSCKO
Local aquifer type
n/a
Well depth
250
feet
n/a
Hole depth
n/a
Source of depth data
S
n/a
Project number
444203000
n/a
