USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 13011820 Blackrock Cr bl Split Rock Cr, nr Moran, WY

Teton County, Wyoming

Hydrologic Unit Code 170401010507

Latitude 43°48'25.6", Longitude 110°10'43.4" NAD83

Drainage area 32.05 square miles

Gage datum 8,582.0 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2018	2018-06-05	6.23²	862
2019	2019-06-05	6.26	925
2020	2020-05-31	6.69²	1,100
2021	2021-06-03	6.07	777
2022	2022-06-10	6.29²	858
2023	2023-05-22	5.79²	690

Peak Gage-Height Qualification Codes.

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

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2026-01-11 09:08:43 EST
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