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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 12340000 Blackfoot River near Bonner MT

Missoula County, Montana
Hydrologic Unit Code 17010203
Latitude  46°53'57.88", Longitude 113°45'22.75" NAD83
Drainage area 2,287  square miles
Gage datum 3,344.76 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 1974-09-27 2022-08-18 2584 29557
Information 1980-06-17 2022-08-18 2517 10061
Physical 1974-09-27 2022-08-18 2584 11035
Inorganics, Major, Metals 1986-04-16 2022-08-18 268 644
Inorganics, Major, Non-metals 1985-03-28 2022-08-18 278 595
Nutrient 1999-05-26 2009-06-23 91 469
Inorganics, Minor, Metals 1985-03-28 2022-08-18 276 3305
Inorganics, Minor, Non-metals 1985-03-28 2022-08-18 276 550
Sediment 1985-03-28 2022-08-18 2219 2898