Abstract
The impact of a flood control, low flow argumentation reservoir in the Midwestern part of the United States on BOD, COD, and ammonia was evaluated in this paper. Fifteen years of weekly water quality data (9 yr before impoundment and 6 yr after impoundment) from four sampling stations upstream and downstream of the reservoir were available for analysis. The annual loading rates of these parameters (kg ha−1 vr−1) were found to correlate well with annual runoff (cm yr−1). Besides, the reservoir was found to have had a significant and beneficial impact on the downstream loading rates of BOD and COD, which were reduced by 55 and 75%, respectively. As for ammonia, the results of this study indicate that its annual loadings at downstream locations were not significantly affected by the reservoir. Average non-point source contributions of BOD and ammonia loadings into the system were found to be about 80 and 55%, respectively.
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Okereke, V.I., Baumann, E.R., Austin, T.A. et al. Midwest (U.S.A.) reservoir water quality modification. Water Air Soil Pollut 37, 325–341 (1988). https://doi.org/10.1007/BF00192944
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DOI: https://doi.org/10.1007/BF00192944