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J Environ Sci Eng. 2011 Jan;53(1):81-4.

Statistical assessment of groundwater resources in Washim district (India).

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EIRA Division, National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur--440 020, India.


Groundwater quality of Washim district of Maharashtra (India) was assessed using quality parameters and water quality index (WQI). In this study, the WQI was analyzed by using pH, turbidity, temperature, nitrates, total phosphates, dissolved oxygen, biochemical oxygen demand, total solids, total coliforms and faecal coliforms, respectively for residential and commercial uses. All the parameters were analyzed both in pre-monsoon and post-monsoon seasons to assess the groundwater quality and seasonal variations. The parameters like turbidity, solids and coliforms showed the seasonal variations. The WQI varied from 72 to 88 in pre-monsoon season and 64 to 88 in post-monsoon season. The results indicate that all groundwater samples in the study area have good water quality in pre-monsoon season but in post-monsoon season 9 percent samples indicated the change in water quality from good to medium, which reveals seasonal variation and groundwater quality deterioration.

[Indexed for MEDLINE]

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