Agency
U.S. Geological Survey
USGS
Site identification number
422518071273501
n/a
Site name
MA-MKW 169
n/a
Site type
Well
GW
DMS latitude
422518
n/a
DMS longitude
0712735
n/a
Decimal latitude
42.42176028
n/a
Decimal longitude
-71.4592295
n/a
Latitude-longitude method
Interpolated from MAP.
M
Latitude-longitude accuracy
Accurate to + or - 5 sec.
F
Latitude-longitude datum
North American Datum of 1927
NAD27
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Massachusetts
25
State
Massachusetts
25
County
Middlesex County
017
Country
US
n/a
Land net location description
n/a
Name of location map
MAYNARD
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
169
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
Concord
01070005
Drainage basin
n/a
Topographic setting
Alluvial terrace
T
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
n/a
Date site established or inventoried
19920201
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
Y
n/a
National aquifer
Sand and gravel aquifers (glaciated regions)
N100GLCIAL
Local aquifer
Stratified Deposits, Undifferentiated
112SRFD
Local aquifer type
Unconfined single aquifer
U
Well depth
n/a
Hole depth
n/a
Source of depth data
n/a
Project number
442500700
n/a
