How clean are our rivers? Latest data indicates a negative trend. A report by the Central Pollution Control Board (CPCB), which was released in September this year, reveals that in total there were 45 river stretches across the country in 2016-17, where water quality is found to be the worst. In 2014-15, however, the total number of such river stretches was just 34. Technically speaking, the value of biochemical oxygen demand...
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Even small dams have severe impact on river ecology -Aathira Perinchery
-The Hindu Research shows that they alter rivers and their fish communities drastically It seems to stand to reason that small dams cause less environmental problems than large ones. But the first study on small hydropower projects in India proves that they cause as severe ecological impacts as big dams, including altering fish communities and changing river flows. Such hydroprojects, which usually generate less than 25 megawatts of power and consist of a...
More »Damming river water impacts fish diversity -Aathira Perinchery
-The Hindu Barrier-free tributaries flowing in can mitigate the effect, factoring in high-impact projects A new study has found that dams and other barriers across rivers in the Western Ghats do affect fish species and their recovery downstream. However, barrier-free tributaries that drain in to these rivers can help fish recover even in dammed stretches; protecting such tributaries could be crucial to maintaining fish diversity in the Western Ghats. The Western Ghats is...
More »Ganga in Haridwar unfit even for bathing, finds RTI query
-The Times of india DEHRADUN: A dip in the Ganga may wash away your sins but the river's water is also likely to make you sick. The Central Pollution Control Board's reply to an RTI query put up by TOI has said that the water of the river along Haridwar is not even fit for bathing. The CPCB has said that water in Haridwar district fails almost all parameters of safety. According...
More »Govt issues draft of new standards on water quality -Mayank Aggarwal
-Livemint.com The environment ministry, with the aim of making water bodies fit for bathing, has decided to tighten water quality norms. It made the draft of the new standards made public on Monday, seeking views within 30 days. In the draft standards, the ministry has presented 14 points to determine the quality of water in a river or water body. They include factors such as total coliform (TC), fecal coliform, pH value, bio-chemical...
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