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8 data types available - data from 2022-05-12 to 2024-10-24

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113 Observed properties (data types) available - with data from 2008-01-29 to 2026-07-07

2704 Sampling activities

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	400853105563701	n/a
Location name	WILLOW CREEK RESERVOIR NEAR DAM NEAR GRANBY, CO	n/a
Site type	Lake, Reservoir, Impoundment	LK
Decimal latitude (WGS84)	40.1480555555556	n/a
Decimal longitude (WGS84)	-105.943611111111	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Accurate to + or - .01 sec (Differentially-Corrected GPS).	H
District	Colorado	08
State	Colorado	08
County	Grand County	049
Country	United States of America	n/a
Altitude of gage/land surface		n/a
Method altitude determined		n/a
Altitude accuracy		n/a
Altitude datum		n/a
Subbasin hydrologic unit	Colorado Headwaters	14010001
Drainage basin		n/a
Date of first construction		n/a
Drainage area	133 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	MST	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 Reservoir Near Dam Near Granby, CO - USGS-400853105563701