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Available data

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Continuous data

2 data types available - data from 1990-10-01 to 2026-08-02

Daily data

1 data types available - data from 1990-10-01 to 2026-07-30

Field measurements

3 data types available - data from 1990-07-24 to 2026-06-29

Discrete sample data

138 Observed properties (data types) available - with data from 1975-09-03 to 2025-05-17

180 Sampling activities

Statistical tables for select daily data types

1 data types available - data from 1990-10-01 to 2026-07-30

Important information about this monitoring location

The elevation of this station has been determined to be 242.75 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 242.75 feet to gage height values.

Location details and information

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Operated in cooperation with:

City of Portland - Bureau of Environmental Services

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	14206900	n/a
Location name	FANNO CREEK AT 56TH AVE, AT PORTLAND, OR	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	45.488194444444446	n/a
Decimal longitude (WGS84)	-122.73475	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Oregon	41
State	Oregon	41
County	Multnomah County	051
Country	United States of America	n/a
Altitude of gage/land surface	242.75 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.15 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Tualatin	17090010
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2.37 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	Y	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

Monitoring location Fanno Creek at 56TH Ave, at Portland, OR - USGS-14206900