WaterQualityWatch -- Continuous Real-Time Water Quality of Surface Water in the United States

USGS is updating how statistical information is delivered. WaterWatch and WaterQualityWatch will be retired around February 24, 2026. Explore alternative tools and share feedback at wdfn@usgs.gov.

Colorado Reports

Ortiz, Roderick F., 2004, Methods to Identify Changes in Background Water-Quality Conditions Using Dissolved-Solids Concentrations and Loads as Indicators, Arkansas River and Fountain Creek, in the Vicinity of Pueblo, Colorado: U.S. Geological Survey Scientific Investigations Report 2004-5024, 20 p. http://pubs.usgs.gov/sir/2004/5024/

Other publications may be found on the State's surrogate website.

Link to the State's surrogate website.