Bengaluru: Thanks to the consecutive government, Stormwater Drains (SWDS) has turned into waste operators, the main source of city lake pollution.
The Wile government is now very relying on waste treatment plants (STP) to ensure the lake gets clean water flow, experts say STPS is inefficient in eliminating nutrition from wastewater entering water.
Ramprasad V, an expert on the lake, said, “Even though we understand that the best way to bring water to the lake is through the SWD, it doesn’t seem to be the current solution.
Until now, most of the water treatment secondary is being left to several lakes from stps There are, but the right way to do this is only allowed tertiary water after the elimination of nutrition to prevent the growth of algae and hyacinth growth.
“Experts say algae and Hyacinth Air is a clear indication of the existence of nutrients in water.
After the lake is covered with hyacinth and algae, they begin to influence the water ecosystem, seizing life under oxygen.
Nagesh Aras, another expert, said, “Nitrate, phosphorus and potassium are micro nutrition and are usually not removed in secondary processing plants.
If they have to be removed, it must be done through bioremediation, which only means passing water through the roots of various plants that absorb all nutrition this.
When it does happen, etacinth in water tends to do the same thing.
So hyacinth and algae are part of the solution, but they eventually cover the entire lake and do not allow sunlight to penetrate, which in turn does not allow variation of plants which sank through the cycle Photosynthesis.
This leads to a decrease at the dissolved oxygen level, causing a major imbalance in the ecosystem.
“Therefore, raw waste is directly dangerous, but the water treatment secondary is harmful in indirectly.
Divert from Drainsshankar Reddy, a special commissioner for the lake, said STPS tends to remain a permanent solution.
“After saying that, it was impossible to eliminate SWD because they played a vital role.
It might take time for SWD to bring fresh water to the lake because there is a heavy waste inflow in the city swd.
However, what we can do from our end to ensure that waste Not entering the lake is building a diversion drains near them, “he said.
“According to BWSSB, his stps have tertiary cleaning technology that eliminates nutrients in water.
A official said,” We have removed nutrition and only then allows water to the lake.
We have received permission from KSPCB (Karnataka state pollution control board) and CPCB (Central Polution Control Agency) for this.
“The city has more than 800 km SWD, which is often allerved.
However, BBMP is still struggling by eliminating waste from the waterways.
Manoj Jain, Special Commissioner for SWD, said,” waste present or absent in the SWDS entirely dependent on BWSSB.
Bengaluru is a growing city and BWSSB needs to oversee the existing water channel network to prevent waste flow into the SWD.
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