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| Data Type | Begin Date | End Date | Count |
|---|---|---|---|
| Current / Historical Observations (availability statement) | 1989-10-01 | 2025-12-02 | |
| Daily Data | |||
| Discharge, cubic feet per second | 1929-05-01 | 2025-11-30 | 34545 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2001-05-21 | 2016-07-12 | 9431 |
| Suspended sediment concentration, milligrams per liter | 1974-10-01 | 1996-09-29 | 5070 |
| Suspended sediment discharge, short tons per day | 1974-10-01 | 1996-09-29 | 4626 |
| Sodium adsorption ratio (SAR), water, estimated by regression equation, number | 2004-10-01 | 2013-09-30 | 1851 |
| Daily Statistics | |||
| Discharge, cubic feet per second | 1929-05-01 | 2025-08-25 | 34450 |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2001-05-21 | 2016-07-12 | 3366 |
| Suspended sediment concentration, milligrams per liter | 1974-10-01 | 1996-09-29 | 5070 |
| Suspended sediment discharge, short tons per day | 1974-10-01 | 1996-09-29 | 4626 |
| Sodium adsorption ratio (SAR), water, estimated by regression equation, number | 2004-10-01 | 2013-09-30 | 1851 |
| Monthly Statistics | |||
| Discharge, cubic feet per second | 1929-05 | 2025-08 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2001-05 | 2016-07 | |
| Suspended sediment concentration, milligrams per liter | 1974-10 | 1996-09 | |
| Suspended sediment discharge, short tons per day | 1974-10 | 1996-09 | |
| Sodium adsorption ratio (SAR), water, estimated by regression equation, number | 2004-10 | 2013-09 | |
| Annual Statistics | |||
| Discharge, cubic feet per second | 1929 | 2025 | |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius | 2001 | 2016 | |
| Suspended sediment concentration, milligrams per liter | 1975 | 1996 | |
| Suspended sediment discharge, short tons per day | 1975 | 1996 | |
| Sodium adsorption ratio (SAR), water, estimated by regression equation, number | 2005 | 2013 | |
| Peak streamflow | 1923-09-30 | 2023-10-15 | 95 |
| Field measurements | 1952-05-25 | 2025-11-25 | 555 |
| Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) | 1969-07-22 | 2024-02-05 | 734 |
| Water-Year Summary | 2006 | 2024 | 19 |
| Revisions | Loading... | ||
U.S. Department of the Interior |
U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL:
Page Contact Information: Montana Water Data Support Team
Page Last Modified: 2025-12-02 07:00:31 EST
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