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Urban Surface-Water Sites Sampled for Nutrients
Algal bloom, indicating high nutrient concentrations

Algal bloom (Cladophora sp.) indicating elevated nutrient concentrations, Spring Creek, Ft. Collins. Photo courtesy of Robert Zuellig.

  

Map of Cycle I Sites

Map of Cycle I urban fixed sites sampled for nutrients.

Map of Cycle II Sites

Map of Cycle II urban fixed sites sampled for nutrients.


     

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 U.S. Department of the Interior, U.S. Geological Survey
 Contact for NAWQA: nawqa_whq@usgs.gov
 Maintainer: Jean A. Dupree - dupree@usgs.gov
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 Document URL- http://co.water.usgs.gov/nawqa/urbanPortal/html/nutrients_streams_maps.html
 Last Update: May 23, 2006