USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 06214000 Rock Creek at Rockvale MT

Carbon County, Montana

Hydrologic Unit Code 10070006

Latitude 45°31'04.36", Longitude 108°51'43.53" NAD83

Drainage area 562 square miles

Gage datum 3,470 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1921	1921-06-09		2,200
1922	1922-06-06		856
1932	1932-06-08		2,310
1934	1934-06-07	3.24	834
1935	1935-07-22	3.50	1,280
1936	1936-06-09	4.04	984
1937	1937-06-18	4.52	2,240
1938	1938-06-29	4.30	1,370
1939	1939-06-18	3.52	885
1940	1940-06-15	3.01²	530
1985	1984-11-02	2.96^1,2	266
1986	1986-06-06	4.42²	1,060
1987	1987-05-28	4.78	1,460
1988	1988-05-08	5.19	3,350
1989	1989-05-12	3.68²	1,180
1990	1990-05-30	3.42²	945
2022	2022-06-13		5,150⁷

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-17 11:46:48 EDT
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