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Water Quality Samples for Colorado

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! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 09359020 ANIMAS RIVER BELOW SILVERTON, CO

San Juan County, Colorado
Hydrologic Unit Code 14080104
Latitude  37°47'18.00", Longitude 107°40'05.60" NAD83
Drainage area 146  square miles
Gage datum 9,199 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 1991-10-17 2022-11-09 294 10522
Information 1991-10-17 2022-11-09 259 1574
Physical 1991-10-17 2022-11-09 293 3410
Inorganics, Major, Metals 1993-11-10 2022-11-09 162 1046
Inorganics, Major, Non-metals 1993-11-10 2022-11-09 218 1640
Nutrient 2002-07-31 2002-07-31 1 13
Microbiological 2002-07-31 2002-07-31 1 1
Inorganics, Minor, Metals 1993-11-10 2022-11-09 162 2701
Inorganics, Minor, Non-metals 1993-11-10 2022-11-09 118 134
Organics, other 2002-07-31 2002-07-31 1 1
Radiochemical 2015-08-12 2015-08-12 1 2