National Water-Quality Assessment (NAWQA) Program - South Platte River Basin

South Platte Basin Information



(Results from 1992-1995)
A summary of major issues and findings from the first decade of NAWQA is provided below. A more detailed discussion of water quality in the South Platte River Basin is presented in Dennehy and others (1998).

How has water development affected water quality in the South Platte River Basin?Photograph of diversion structure for irrigation

Does land use contribute to contaminant inputs and affect habitat characteristics and biological communities in streams?
Photograph of a fish.

What factors control the occurrence of uranium and radon, and are the reported concentrations a concern?

Have mining and residential development in the mountains affected water quality?
Photograph of mining-impacted stream.

Does urban land use affect water quality?
Aerial photograph of urban development near the mountains.

Have agricultural chemicals affected water quality?
Photograph showing agricultural area of South Platte River Basin

How do discharges from permitted municipal wastewater treatment plants affect nutrient levels in streams? Photograph showing discharges from wastewater treatment plant

What are the cumulative effects of mixed (urban/agriculture) land use on water quality?

What is the relative status of water quality by land use in the South Platte River Basin?

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