Water is one of the most important precious natural resources required essentially for the survival and health of living organisms. Tungabhadra River is an important tributary of Krishna. It has a drainage area of 71,417 sq km out of which 57,671 sq. km area lies in the state of Karnataka. The study was conducted to measure its
various physico-chemical and bacteriological parameters including levels of algal community. Pollution in water bodies may indicate the environment of algal

Goa is a famous International tourist destination and attracts around 2 million tourists annually. Tourism is generally limited along the coastal belt of Goa, while mining is more focused in the midland of Goa. The groundwater in the State is mainly used for drinking and industrial purposes followed by agriculture to some extent. The open cast iron ore mining in Goa had induced significant changes in groundwater quality and quantity. The objective of the present study was to assess the impact of mining activities on the qualitative scenario of ground water in the study area.

The present study has been undertaken to evaluate the performance of wastewater treatment systems (WWTS) in three different districts (Kolkata, Howra and Hugli) in West Bengal, India. Performance of these wastewater treatment plants are essential parameter to be monitored as the treated effluent is discharged into River Ganga which is the National River of India. The performance evaluation will also help for the better understanding of design and operating difficulties in wastewater treatment plants.