USGS 06130000 Flatwillow Creek near Mosby MT

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USGS 06130000 Flatwillow Creek near Mosby MT

Stream Site

DESCRIPTION:: Latitude 46°55'43.18", Longitude 107°55'58.23" NAD83; Petroleum County, Montana, Hydrologic Unit 10040203; Drainage area: 1,855 square miles; Datum of gage: 2,563 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	2012-10-01	2025-07-07
Daily Data
Discharge, cubic feet per second	1964-03-01	2025-07-06	4491
Daily Statistics
Discharge, cubic feet per second	1964-03-01	2025-03-24	4387
Monthly Statistics
Discharge, cubic feet per second	1964-03	2025-03
Annual Statistics
Discharge, cubic feet per second	1964	2025
Peak streamflow	2013-06-05	2024-09-19	9
Field measurements	1987-10-21	2025-06-05	112
Field/Lab water-quality samples	1964-03-11	2013-09-03	94
Water-Year Summary	2013	2024	10
Revisions	Loading...

OPERATION:: Record for this site is maintained by the USGS Montana Water Science Center; Email questions about this site to Montana Water Science Center Water-Data Inquiries

U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL: https://nwis.waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Montana Water Data Support Team
Page Last Modified: 2025-07-07 15:11:01 EDT
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