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Waste-assimilation capacity of the Arkansas River in Pueblo County, Colorado, as it relates to water-quality guidelines and stream classification

Water-Resources Investigations Report 80-82

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Abstract

The waste-assimulation capacity of a 42-mile reach of the Arkansas River in Pueblo County, Colo., was evaluated using a one-dimensional steady-state water-quality model. The model is capable of accurately predicting concentrations of carbonaceous biochemical oxygen demand, total ammonia, total nitrate and dissolved oxygen; predicted concentrations of total organic nitrogen and total nitrite are less accurate. Simulation capability for nonionized ammonia was provided by defining its relationship to total ammonia. The model was used to simulate the water-quality effects of 63 combinations of wastewater treatment at the Pueblo Wastewater Treatment Plant and CF and I Steel Corporation. The mixing zone of the effluent from the Pueblo Wastewater Treatment Plant with the Arkansas River was determined to be 2.7 miles in length during the study. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Waste-assimilation capacity of the Arkansas River in Pueblo County, Colorado, as it relates to water-quality guidelines and stream classification
Series title:
Water-Resources Investigations Report
Series number:
80-82
Edition:
-
Year Published:
1980
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
vii, 104 p. :ill. ;28 cm.