Ecology, Environment and Conservation Paper

Vol.09, Issue 02, 2003; Page No.(193-197)

CHEMICAL COMPOSITION OF EFFLUENT WATERS AROUND VADODARA CITY IN GUJARAT AND ITS SUITABILITY FOR IRRIGATION

K.P. Patel, R.R. Pandya, K.C. Patel, V.P. Ramani and G.L. Maliwal

Abstract

Rapid Industrialization lead to high discharge of industrial effluents which in turn may pollute ecosystem. The effluent sample collected from area of the different industries nearbyVadodara, to assess the level of contamination. The refinery effluent did not contain much to TDS, BOD & COD and showed low TSS, SAR and RSC which indicated moderate suitability for irrigation purpose, but heavy metal point of view it was found to be contaminated with toxic element viz. Fe, Cd, Co, Cr and Ni.The essential elements viz. SO, PO1, K+ etc. were more in fertilizer effluents but it was contaminated with Co and Cr rendering its quality as poor for irrigation purpose.The level of contamination was quite less however, it contain very high amount of soluble salts and leading to its moderate quality of water for irrigation purpose.The use of industrial effluent nearby Vadodara caused comparatively higher accumulation of trace & heavy 'metals in soil compared to well water irrigated field. However, the contents of Ni in maize was found above toxic level whereas pigeonpea contained high amount of CrAll crops grown in these area recorded high content of Fe.The results indicated the necessity of monitoring of soil - water system for contamination with respect to toxic elements.

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