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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 1988-10-14 2024-11-21
n/a Peak Measurements 1990-01-28 2021-06-23
n/a Site Visits 1988-08-04 2024-11-15
n/a USGS Annual Water Data Reports Site 2006-01-01 2021-01-01
Water Data for the Nation inventory

Monitoring location 14211820 is associated with a Tidal stream in Multnomah County, Oregon. Current conditions of Discharge, Gage height, and Mean water velocity for discharge computation 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
14211820 n/a
Site name
COLUMBIA SLOUGH AT PORTLAND, OR n/a
Site type
Tidal stream
ST-TS
DMS latitude 453821 n/a
DMS longitude 1224543 n/a
Decimal latitude 45.63900515 n/a
Decimal longitude -122.763155 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
Oregon 41
State
Oregon 41
County
Multnomah County 051
Country US n/a
Land net location description NESES23 T02N R01W W n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 1.53 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy 0.1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
17090012
Drainage basin
n/a
Topographic setting
Stream channel
C
Flags for instruments at site NNNNYNNNNNNYNNYNNNNNNNNNNNNNNN 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 PST 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 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

Operated in cooperation with:

logo for City of Portland - Bureau of Environmental Services
City of Portland - Bureau of Environmental Services
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds