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Available data

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Continuous data

3 data types available - data from 1986-10-10 to 2026-08-22

Daily data

1 data types available - data from 1948-10-01 to 2026-08-20

Field measurements

2 data types available - data from 1983-07-21 to 2026-08-03

Discrete sample data

84 Observed properties (data types) available - with data from 1964-09-16 to 2014-09-17

290 Sampling activities

Peak measurements

2 data types available - with data from 1949-06-18 to 2025-06-24

Statistical tables for select daily data types

1 data types available - data from 1948-10-01 to 2026-08-20

Important information about this monitoring location

The elevation of this station has been determined to be 7,616.53 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 7,616.53 feet to gage height values.

Location details and information

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Operated in cooperation with:

Denver Board of Water Commissioners

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	09038500	n/a
Location name	WILLIAMS FORK BELOW WILLIAMS FORK RESERVOIR, CO	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.0359277777778	n/a
Decimal longitude (WGS84)	-106.205013888889	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Colorado	08
State	Colorado	08
County	Grand County	049
Country	United States of America	n/a
Altitude of gage/land surface	7616.53 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.14 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Colorado Headwaters	14010001
Drainage basin		n/a
Date of first construction		n/a
Drainage area	230 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 Williams Fork Below Williams Fork Reservoir, CO - USGS-09038500