Water Quality Management of the Nitra River Basin (Slovakia): Evaluation of Various Control Strategies

Somlyody L, Kularathna M, & Masliev I (1993). Water Quality Management of the Nitra River Basin (Slovakia): Evaluation of Various Control Strategies. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-93-063

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Abstract

The Nitra is one of the most polluted rivers in Slovakia due to numerous municipal and industrial discharges, and the low level of waste water treatment. The ongoing economic transition and lack of financial resources for environmental management calls for the development of short-run least-cost policies on the basis of ambient standards (or a combination of ambient and effluent ones). A water quality control policy model was developed which incorporates dissolved oxygen simulation models, municipal wastewater treatment alternatives, an optimization model based on dynamic programming, a data base, and a graphical user interface. Least-cost policies to achieve various water quality goals were developed and compared to effluent standard based strategies (including that deriving from the application of the "best available technology"). The role of industrial emissions was demonstrated in a sensitivity fashion, while the influence of parameter uncertainty on the developed policies was analyzed in a multiobjective framework. The study shows that significant cost savings are possible in comparison to uniform, effluent standard policies. They also suggest that a long-term strategy should be realized on the basis of a sequence of properly phased least-cost policies corresponding to ambient standards to be tightened gradually.

Item Type: Monograph (IIASA Working Paper)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 02:02
Last Modified: 05 Aug 2016 16:16
URI: http://pure.iiasa.ac.at/3751

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