WWRC 90-10
Stochastic Waste Load Allocation
Abstract
This paper considers solving a stochastic waste load allocation model in a chance-constrained
format. The model explicitly takes into account the uncertainty of the water quality
parameters including their spatial and cross-correlations. Random characteristics of the
coefficients in the water quality constraints are obtained by using unconditional simulation.
A hypothetical example is used to demonstrate the methodologies and investigate the effects
of water quality compliance reliability and correlation structures of the water quality
parameters on the optimal solution of the waste load allocation problem.
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