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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 330539096315001 Lavon Lk nr East Fork Trinity River

Collin County, Texas
Hydrologic Unit Code 12030106
Latitude  33°05'38.7", Longitude  96°31'49.6" NAD83
Gage datum 473 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 2011-05-16 2020-10-19 318 4970
Information 2011-05-16 2020-10-19 318 727
Physical 2011-05-16 2020-10-19 318 1890
Inorganics, Major, Metals 2011-05-16 2020-06-16 50 300
Inorganics, Major, Non-metals 2011-05-16 2020-10-19 318 1345
Nutrient 2011-05-16 2020-06-16 50 600
Biological 2011-05-16 2020-10-19 74 108