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Water Quality Samples for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.

UPDATED July 25, 2022: The following stations are part of a short-term project and are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured.
  • 06192900 Dugout Creek near mouth, near Willsall, MT
  • 12355342 Hallowat Creek above Kletomus Creek, near Olney, MT
  • 12355347 Big Creek below Lookout Creek, near Apgar, MT

Please contact the Wyoming-Montana Science Center for more information.


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 Group Summary of Available Data
Parameter Group First
Date
Last
Date
Number of
Samples
Number of
Values
All -- include all parameter groups 1985-10-16 2022-08-17 448 19780
Information 1985-10-16 2022-08-17 416 1611
Physical 1985-10-16 2022-08-17 448 6264
Inorganics, Major, Metals 1985-11-04 2021-10-06 302 1807
Inorganics, Major, Non-metals 1985-11-04 2022-08-17 323 3248
Nutrient 1985-11-04 2022-06-29 204 1900
Microbiological 1985-11-04 1988-07-28 11 11
Biological 2003-09-25 2007-08-28 2 12
Inorganics, Minor, Metals 1985-11-04 2021-10-06 219 3254
Inorganics, Minor, Non-metals 1985-11-04 2021-10-06 218 820
Organics, pesticide 1986-06-25 1988-09-24 10 60
Organics, other 2019-07-24 2022-08-17 31 31
Radiochemical 2001-05-15 2002-09-16 17 17
Sediment 2000-06-21 2021-10-06 252 745