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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 1988-09-30 2024-11-21
n/a USGS Annual Water Data Reports Site 2013-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 01647600 is associated with an Estuary in District of Columbia, District of Columbia. Current conditions of Gage height are available. Water data back to 1988 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01647600 n/a
Site name
POTOMAC RIVER AT WISCONSIN AVE, WASHINGTON, DC n/a
Site type
Estuary
ES
DMS latitude 385412.1 n/a
DMS longitude 0770403.6 n/a
Decimal latitude 38.9033611 n/a
Decimal longitude -77.0676667 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 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
District of Columbia 11
County
District of Columbia 001
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 0.00 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-Anacostia-Occoquan 02070010
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN 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
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

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logo for US Army Corps of Engineers - Baltimore District
US Army Corps of Engineers - Baltimore District