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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 12324200 Clark Fork at Deer Lodge MT

Powell County, Montana
Hydrologic Unit Code 17010201
Latitude  46°23'51.54", Longitude 112°44'33.14" NAD83
Drainage area 1,001  square miles
Gage datum 4,502.2 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 1969-07-11 2023-11-02 2111 27820
Information 1982-06-22 2023-11-02 2010 8408
Physical 1969-07-11 2023-11-02 2103 10219
Inorganics, Major, Metals 1969-07-11 2023-11-02 318 753
Inorganics, Major, Non-metals 1969-07-11 2023-11-02 334 797
Nutrient 1969-07-11 1971-06-04 24 205
Microbiological 1969-07-11 1971-06-04 24 40
Inorganics, Minor, Metals 1969-07-11 2023-11-02 335 4095
Inorganics, Minor, Non-metals 1969-07-11 2023-11-02 335 683
Organics, other 1969-08-14 1971-06-04 22 22
Sediment 1985-03-29 2023-11-02 1810 2598