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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 335527096515000 Lk Texoma nr trib nr Willis, OK

Marshall County, Oklahoma
Hydrologic Unit Code 11130210
Latitude  33°55'27", Longitude  96°51'50" NAD83
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 2007-06-20 2020-09-11 78 1867
Information 2007-06-20 2020-09-11 78 247
Physical 2007-06-20 2020-09-11 78 614
Inorganics, Major, Metals 2007-06-20 2020-09-11 31 186
Inorganics, Major, Non-metals 2007-06-20 2020-09-11 78 488
Nutrient 2015-10-19 2020-09-11 21 257
Biological 2015-10-19 2020-09-11 23 47
Inorganics, Minor, Metals 2016-08-30 2016-08-30 1 2
Organics, other 2016-08-30 2016-08-30 1 26