Agency
U.S. Geological Survey
USGS
Site identification number
01646502
n/a
Site name
POTOMAC RIVER, ADJUSTED, NEAR WASH, DC
n/a
Site type
Stream
ST
DMS latitude
385659.2
n/a
DMS longitude
0770739.5
n/a
Decimal latitude
38.94977778
n/a
Decimal longitude
-77.12763889
n/a
Latitude-longitude method
Interpolated from Digital MAP.
N
Latitude-longitude accuracy
Accurate to + or - 1 sec.
S
Latitude-longitude datum
North American Datum of 1983
NAD83
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Maryland
24
State
Maryland
24
County
Montgomery County
031
Country
US
n/a
Land net location description
n/a
Name of location map
FALLS CHURCH, VA
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
37.20
feet
n/a
Method altitude determined
Level or other surveyed method.
L
Altitude accuracy
.01
feet
n/a
Altitude datum
North American Vertical Datum of 1988
NAVD88
Subbasin hydrologic unit
Middle Potomac-Catoctin
02070008
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
n/a
Date site established or inventoried
n/a
Drainage area
11560.00
square miles
n/a
Contributing drainage area
n/a
Time Zone abbreviation
EST
n/a
Site honors Daylight Saving Time
Y
n/a
Data reliability
n/a
Data-other GW files
NNNNNNNN
n/a
National aquifer
n/a
Local aquifer
n/a
Local aquifer type
n/a
Well depth
n/a
Hole depth
n/a
Source of depth data
n/a
Project number
n/a
