- Data for the Upper Colorado River Basin Sites and other NAWQA study units are available from the National Water Quality Portal
Available UCOL Data sets:
Excel files of ecological data (click on indicated year to download file)
Please note there may be mutiple worksheets in a file
|Colorado River at State Line||
2002 from NAWQA data base
|Dry Fork of Roan Creek||
2002 no sample due to drought
Please see NAWQA protocols for description of ecological data collection methods
Excel files of the algae data presented as the appendices of U.S. Geological Survey Open-File Report 00-266, Algal Data from Selected Sites in the Upper Colorado River Basin, Colorado, Water Years 1996-97; by Mize, S.V., and Deacon, J.R.
See the report for information about this data.
An Excel file of the reservoir core data presented as the Appendix of U.S. Geological Survey Water-Resources Investigations Report 01-4022, Identification of Water-Quality Trends Using Sediment Cores from Dillon Reservoir, Summit County, Colorado; by Greve, A.I., Spahr, N.E., Van Metre, P.C., and Wilson, J.T.
Excel data file of Appendix: right click and "Save Link as"
See the report Appendix for units, reporting levels, and other information about this data.
Wynn, K.H., and Spahr, N.E., 1997, Nitrogen
and Phosphorus data for surface water in the Upper Colorado River Basin,
Colorado, 1980-94, U.S. Geological Survey Open-File Report 97-233.
The data set contains 4,927 samples from 123 sites located in the Upper Colorado River Basin. The published report includes the data set files on 3.5 floppy diskette.
These data are also available as ASCII tab-delimited flat files (203 kb .zip) (Right click and "Save Link as"). Once the data have been aquired it can then be imported into a spreadsheet program of the users choice for viewing and analysis.
There is also an associated table (ASCII) that provides parameter code listings (2700 kb) for the data set which must also be downloaded by Right Clicking and "Save Link as").