The enemy within that is slowly poisoning Okhla Bird Sanctuary | Noida News

Noida: For 2 years from 2013, the battle to guard the ecological radius of the Okhla Chook Sanctuary had stopped or interrupted development exercise inside 10km of the park. As this pushed again the timelines of round 1 lakh flats within the metropolis, it additionally earned the sanctuary’s periphery the standing of an “eco-sensitive zone”.
In 2015, the ministry of atmosphere and forests had accepted an eco-sensitive zone inside 1.3km of the northern boundary of the park and 100 metres on both aspect. Six years on, the 400-hectare chicken park now has a 4km metalled street, a boardroom, canteen, workplace, painted signboards, CCTV surveillance and every little thing required to make sure the footfall of tourists.
However what has remained unattended over time is the ecological well being of the 273-hectare water physique, which is the primary supply of meals for the 17,000-odd migratory birds that go to the sanctuary on a mean yearly.
As one enters the park via gate no 1, a stench is inevitable. Frequent guests say it will get worse throughout the summer time. District forest officer PK Srivastava blamed it on the sewage being launched into the Yamuna and mentioned they’d requested the Delhi authorities to forestall contamination of the river.
“Extreme sewage is being launched into the Yamuna, which is resulting in the situation right here. There are a number of drains that open into the river and the stream of untreated water is reaching Okhla. We now have requested the Delhi authorities to forestall the contamination. Initiatives must be taken to deal with this sewage,” mentioned Srivastava. The Okhla Chook Sanctuary is principally conserved on the Noida aspect. On Delhi’s fringes of the identical waters, there are dense human settlements.
However the Yamuna will not be the one supply of squalor for Okhla. The Hindon canal, too, provides to the filth with industrial effluents. “The stench is primarily due to sludge, which releases methane and different dangerous greenhouse gases. Since untreated sewage is being launched into the water, it may have traces of lead, hexavalent chromium, cadmium, nickel and pesticides from the farms close by,” mentioned Naresh Gopal Shrivastava, a Ghaziabad-based limnologist.
He provided two fast options. “You will need to deal with the sewage earlier than it’s launched into the river. Regionally, the forest division can introduce bioremediation to assist the sludge decompose. The water physique and its well being must be given utmost significance as a result of its toxicity is straight or not directly getting into the ecology. The fishes within the water could be having a steel and poisonous buildup. The birds that go to right here for a brief interval could escape fatality, but when their tissues are examined, they could present poisonous pressure from consuming the fish from the Okhla water physique. Additionally, the water high quality must be periodically monitored as a result of it’s within the coronary heart of an city settlement,” he added.
A senior Delhi Jal Board official mentioned they’ve a sewage therapy plant at Chilla and a number of other different initiatives are being taken as much as cut back the air pollution ranges in Yamuna. He added that one of many nation’s largest sewage therapy plant was being arrange at Okhla at a price of Rs 1,161 crore. “The Okhla barrage is maintained by the UP irrigation division and a considerable amount of water hyacinth progress within the podage space releases surfactants within the water. Round 100 MGD of untreated sewage can also be coming from Haryana via the Najafgarh drain and 50 MGD from UP via the Shahdara drain,” he mentioned.

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