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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

USGS 06307500 Tongue River at Tongue R Dam nr Decker MT

Big Horn County, Montana
Hydrologic Unit Code 10090101
Latitude  45°08'28.59", Longitude 106°46'16.88" NAD83
Drainage area 1,783  square miles
Gage datum 3,344.4 feet above NGVD29
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Parameter
Code		 Count Begin
Date		 End
Date		 Parameter Code Complete Name
00600 187 1975-10-07 2014-08-04 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter
00605 240 1975-10-07 2020-08-19 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00607 4 2013-07-23 2014-08-04 Organic nitrogen, water, filtered, milligrams per liter as nitrogen
00608 82 1993-02-09 2020-08-19 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00610 158 1975-10-07 1992-11-10 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as nitrogen
00613 82 1993-02-09 2020-08-19 Nitrite, water, filtered, milligrams per liter as nitrogen
00625 185 1975-10-07 1995-08-29 Ammonia plus organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00630 158 1975-10-07 1992-11-10 Nitrate plus nitrite, water, unfiltered, milligrams per liter as nitrogen
00631 84 1993-02-09 2020-08-19 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00650 22 1979-04-25 1992-11-10 Phosphate, water, unfiltered, milligrams per liter as PO4
00665 242 1975-10-07 2020-08-19 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00666 3 1977-11-02 1978-10-19 Phosphorus, water, filtered, milligrams per liter as phosphorus
00671 82 1993-02-09 2020-08-19 Orthophosphate, water, filtered, milligrams per liter as phosphorus
62855 57 2004-02-04 2020-08-19 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
71845 158 1975-10-07 1992-11-10 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as NH4
71846 82 1993-02-09 2020-08-19 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71886 55 1979-04-25 1985-11-05 Phosphorus, water, unfiltered, milligrams per liter as PO4
71887 158 1975-10-07 1992-11-10 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter as nitrate