Status of Water Quality and Heavy Metal Pollution from Coovum River, Tamilnadu, India
Journal Title: Universal Journal of Environmental Research and Technology - Year 2013, Vol 3, Issue 4
Abstract
The Coovum River which was once navigable and recreational has now become a sink of garbage dumping and a sewage outlet. Two sampling stations were chosen – Arumbakkam and the Coovum River Mouth. All results obtained are corresponding to the monsoon (December 2009) and post – monsoon season (January 2010). Heavy eutrophication was a common occurrence. Levels of nutrients were high, but levels of essential nutrients, like sulphate, the electron acceptor of oxygen was very low. The water has almost no dissolved oxygen, and instead there are traces of heavy metals like copper, besides sewage and sludge. Apart from this, the microbial load of the river also has gone risen far above the optimum levels. Industries have largely contributed to the high metal concentrations in the waters. Alongside bank settlements and sewage disposals in the river has accounted to the heavy microbial load. It has reached far beyond saturation levels and is fully loaded with nutrients, metals and microbial load, which accounts to its unpleasant stench. This is of great concern, because it has a negative impact on our surroundings. It can be the breeding grounds for several infectious disease causing pathogens. Moreover, when this water enters the sea, it creates a huge impact on the water quality of the seas, especially at the mouth region. If this river is going to pollute at this rate, without any measures it will result in several health and environmental issues. Necessary steps should be taken to stop polluting these waters and steps to clean the Coovum river should be taken.
Authors and Affiliations
R. Subramanian, C. Sheeba Anitha Nesakumari and N. Thirunavukkarasu
Keywords
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