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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.


! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 12331800 Clark Fork near Drummond MT

Granite County, Montana
Hydrologic Unit Code 17010202
Latitude  46°42'42.89", Longitude 113°19'50.81" NAD83
Drainage area 2,516  square miles
Gage datum 3,810 feet above NAVD88
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 1993-03-09 2023-11-03 463 11432
Information 1993-03-09 2023-11-03 383 1936
Physical 1993-03-09 2023-11-03 463 4226
Inorganics, Major, Metals 1993-03-09 2023-11-03 251 614
Inorganics, Major, Non-metals 1993-03-09 2023-11-03 252 420
Inorganics, Minor, Metals 1993-03-09 2023-11-03 252 3002
Inorganics, Minor, Non-metals 1993-03-09 2023-11-03 252 503
Sediment 1993-03-09 2023-11-03 252 731