Contaminant transport model - Vrbas ground water source [Yugoslavia]

Isakovic, Dj.; Kaludjerovic, D.

Contaminant transport model - Vrbas ground water source [Yugoslavia]

1997

Isakovic, Dj. | Kaludjerovic, D. (Energoprojekt, Beograd (Yugoslavia))

At present only 40-70 l/sec of water is available for Vrbas municipal water supply system (Yugoslavia). A new, main project of the well system tapping alluvial aquifer is anticipated to provide about 180 l/s, but a possibility to aquifer contamination from drainage canal has beed raised. To investigate a real risk for aquifer to be contaminated, a transport model was worked out aimed at determining an aquifer water quality change due to canal seepage and intensity of the environmental change within investigated area, as a consequence of the ground water exploitation. Model input related to the hydraulic and geometric parameters has been borrowed from another model simulating well system exploitation, while transport parameters have been adopted from literature's. Model simulation results have stressed the importance of aquitard overlying aquifer whose rather great thickness (7-18 m) and low permeability (2-3 x 10E-7 m/s) reduced canal outflow and leachate concentration. During period much longer than designed for ground water source use, the contaminant will not reach the well system but certain, small area around canal (1-2 square km) would show increased contamination worsening natural, ecological environment.

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