Combined Sewer Runoff And Overflow Characteristics From Treatment Plant Data

Mueller, James A.
Di Toro, Dominic M.
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This research was undertaken to evaluate the adequacy of using a mass balance technique with daily treatment plant data to,determine combined sewer runoff and overflow characteristics. An hourly simulator was utilized to generate known runoff and overflow concentrations as well as plant concentrations, similar to raw treatment plant data. The daily balance technique was used to analyze the simulated treatment plant data which provided comparisons of the calculated to the known runoff and overflow concentrations. The bias and variability associated with the mass balance technique together with a theoretical analysis of the plant measurement error effects is presented. The unit loads and average concentrations from the NYC 26th Ward Treatment Plant area as well as the effect of rainfall characteristics on combined sewer runoff concentrations are also presented. This report was submitted in fulfillment of Grant No, R 806519-01 by Manhattan College under the sponsorship of the U. S. Environmental Protection Agency and covers the project period June 1, 1979 to February 28, 1981. This draft report has been submitted to EPA for publication.
Combined Sewer , Overflow , Treatment Plant , Data