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Available data

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Continuous data

1 data types available - data from 2007-10-01 to 2026-08-02

Daily data

1 data types available - data from 1984-03-09 to 2026-07-31

Field measurements

2 data types available - data from 2001-07-24 to 2026-06-11

Discrete sample data

0 observed properties (data types) available

Statistical tables for select daily data types

0 data types available

Important information about this monitoring location

The elevation of this station has been determined to be NGVD 1929 and 3.62 ft above NAVD of 1988. To obtain lake elevation values in NAVD of 1988 add 3.62 feet to NGVD 1929 elevation values.

Location details and information

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Operated in cooperation with:

US Army Corps of Engineers - Portland District

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	14034490	n/a
Location name	WILLOW CREEK LAKE AT HEPPNER, OR	n/a
Site type	Lake, Reservoir, Impoundment	LK
Decimal latitude (WGS84)	45.34688888888889	n/a
Decimal longitude (WGS84)	-119.54461111111111	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	Morrow County	049
Country	United States of America	n/a
Altitude of gage/land surface	3.62 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.07 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Willow	17070104
Drainage basin		n/a
Date of first construction		n/a
Drainage area	96.6 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 Willow Creek Lake at Heppner, OR - USGS-14034490