Important Legacy real-time page

Available data

Select data types to graph from categories based on the way the data were collected.

Learn about the data collection categories

Continuous data

2 data types available - data from 1990-03-30 to 2026-08-10

Daily data

2 data types available - data from 1945-05-11 to 2026-08-08

Field measurements

2 data types available - data from 1919-07-28 to 2026-07-31

Discrete sample data

58 Observed properties (data types) available - with data from 1982-08-02 to 2013-08-13

163 Sampling activities

Peak measurements

2 data types available - with data from 1982-01-14 to 2025-05-21

Statistical tables for select daily data types

2 data types available - data from 1945-05-11 to 2026-08-08

Important information about this monitoring location

The elevation of zero gage height has been determined to be 2,702.36 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, add 2,702.36 feet to gage height values.

Location details and information

Zoom out to see link to My Favorites

Use Explore USGS Water Data to discover additional data near this location

Operated in cooperation with:

Montana Department of Natural Resources and Conservation

Wyoming State Engineer

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	06294500	n/a
Location name	Bighorn River ab Tullock Cr nr Bighorn MT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	46.124472222222224	n/a
Decimal longitude (WGS84)	-107.46879166666668	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Montana	30
State	Montana	30
County	Treasure County	103
Country	United States of America	n/a
Altitude of gage/land surface	2702.36 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.19 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Bighorn	10080015
Drainage basin		n/a
Date of first construction		n/a
Drainage area	22417 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 Bighorn River ab Tullock Cr nr Bighorn MT - USGS-06294500