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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 06306300 Tongue River at State Line nr Decker MT

Big Horn County, Montana
Hydrologic Unit Code 10090101
Latitude  45°00'32.89", Longitude 106°50'09.40" NAD83
Drainage area 1,451  square miles
Gage datum 3,429 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 59 1985-11-04 2014-09-24 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter
00605 151 1985-11-04 2023-08-15 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00607 6 2013-06-20 2014-09-24 Organic nitrogen, water, filtered, milligrams per liter as nitrogen
00608 139 2001-06-19 2023-08-15 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00610 13 1985-11-04 1988-07-28 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as nitrogen
00613 151 2000-06-21 2023-08-15 Nitrite, water, filtered, milligrams per liter as nitrogen
00625 53 1985-11-04 2003-09-02 Ammonia plus organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00630 13 1985-11-04 1988-07-28 Nitrate plus nitrite, water, unfiltered, milligrams per liter as nitrogen
00631 197 1985-12-18 2023-08-15 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00665 167 1985-11-04 2023-08-15 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00670 4 1987-12-15 1988-07-28 Organic phosphorus, water, unfiltered, milligrams per liter as phosphorus
00671 151 2000-06-21 2023-08-15 Orthophosphate, water, filtered, milligrams per liter as phosphorus
62855 110 2003-10-06 2023-08-15 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
71845 13 1985-11-04 1988-07-28 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as NH4
71846 139 2001-06-19 2023-08-15 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71886 2 1985-11-04 1985-12-18 Phosphorus, water, unfiltered, milligrams per liter as PO4
71887 13 1985-11-04 1988-07-28 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter as nitrate