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Water Quality Samples for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana 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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 06641000 NORTH PLATTE RIVER BELOW PATHFINDER RESERVOIR, WY

Natrona County, Wyoming
Hydrologic Unit Code 10180007
Latitude  42°27'54", Longitude 106°50'47" NAD27
Drainage area 10,702  square miles
Contributing drainage area 10,495  square miles
Gage datum 5,670 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 2014-09-10 2024-01-30 55 2751
Information 2014-09-10 2024-01-30 55 220
Physical 2014-09-10 2024-01-30 55 820
Inorganics, Major, Metals 2014-09-10 2023-10-26 54 324
Inorganics, Major, Non-metals 2014-09-10 2024-01-30 55 487
Nutrient 2014-09-10 2023-10-26 53 686
Microbiological 2014-09-10 2016-06-08 8 8
Inorganics, Minor, Metals 2014-10-23 2018-11-13 9 161
Inorganics, Minor, Non-metals 2014-10-23 2018-11-13 9 36
Radiochemical 2014-10-23 2018-11-13 9 9