USGS 12381400 South Fork Jocko River near Arlee MT

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Available data for this site

DESCRIPTION:: Latitude 47°11'43.98", Longitude 113°51'02.65" NAD83; Lake County, Montana, Hydrologic Unit 17010212; Drainage area: 57.6 square miles; Datum of gage: 3,970 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1990-10-01	2025-04-27
Daily Data
Discharge, cubic feet per second	1982-09-28	2025-04-26	15550
Daily Statistics
Discharge, cubic feet per second	1982-09-28	2025-02-27	15492
Monthly Statistics
Discharge, cubic feet per second	1982-09	2025-02
Annual Statistics
Discharge, cubic feet per second	1982	2025
Peak streamflow	1983-05-30	2023-05-06	41
Field measurements	1982-09-28	2025-04-18	369
Field/Lab water-quality samples	1982-10-28	2013-08-08	235
Water-Year Summary	2006	2024	19
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://waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Montana Water Data Support Team
Page Last Modified: 2025-04-27 11:35:02 EDT
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