State Pollution Control Board Report
17 River water is not fit for drinking
Kere Manjunath ಕೆರೆ ಮಂಜುನಾಥ್
25 January 2023
Bengaluru: The water of any river in the state including Krishna, Kaveri, Tungabhadra, Kabini, Shinsha, Malaprabha, Ghataprabha, Bhima, Hemavati, Netravati, Yagachi, Karanja is not suitable for drinking without treatment.
The State Pollution Control Board on Tuesday published the report on the water quality of rivers and lakes from April to November 2022 under the National Water Quality Scheme. According to this, the water quality of rivers and lakes of the state is declining.
The Pollution Control Board has 103 inspection stations in various districts in the flow of 17 rivers of the state. From there take a water sample and check it, recording the quality. As the Karanja river sample was not collected in Bidar, its report is not given. Water levels are identified in five categories.
Netravati river water flowing in Dharamsthala was bathable in October. However, in the November report, the pollution has increased and has slipped from B category to C category. As a result, this water is not even suitable for bathing outdoors. Kumaradhara river before joining Netravati in Uppinangadi city of Mangalore, Kagina river in Kalaburagi, water of Suvarnavati reservoir at Attigullipura of Chamarajanagar, water of Bhadra river near Bhadravati MPM has increased pollution and has fallen from B category to C category.
Tungabhadra water level in Davangere has lost its drinking quality and has fallen from 'C' category to 'D' category. The confluence of Sangam and Kanakapura in Ramanagara, Cauvery in Sangam, Sedam in Kalaburagi, Kagina in Shahabad bridge and Bennitora reservoir, Bhima in Gangapur, Kattemalalavadi in Mysore and Lakshmanatheerth in Mysore, Tungabhadra in Davanagere, yedeyuru in Tumkur are potable. The Dakshina Pinakini river flowing in Sarjapur on the outskirts of Bangalore is in 'E' category, metal-rich and polluted.
The water of 17 rivers of the state is not suitable for direct drinking. Not only that, it is known from the state pollution control board report that there is no potable water source even after normal treatment.
Water Quality of Rivers (November 2022)
103: Checkpoints
0– Class A: Drinking water source. It requires conventional processing first.
19- Class B: Can be used for outdoor bathing.
67– Class C: Source of drinking water. But, first disinfection and then conventional processing should be done.
15 – Class D: Potable for wildlife and fishable
1– E Class: Metal, impure, treated and used for irrigation, industry
Pollution of Lakes:
The Pollution Control Board has tested the water quality of 69 lakes in districts other than Bangalore, and there are no 'A' class lakes. Bairamangala and Ramamma Lakes in Ramanagara, Melekote in Tumkur, Bhimasandra Lake, Dalwai in Mysore, Oilhole Lake, Hassan Mathana and Howali Lakes are in 'E' category. There are 5 lakes in 'B' category, 18 in 'C' category and 32 in 'D' category.
Bengaluru Lakes Water: Wildlife Drinkable!
Pollution Control Board is testing water quality in 106 lakes of Bangalore city. Of these, only 66 lakes have water suitable for drinking and fishing by wildlife. The rest of the lakes are the site of impurities including metal and sewage.
Subramanyapura, Mallattahalli, Dorekere, Hoskerehalli, Shivapura, Karihobanahalli, Dasarahalli, Gangondanahalli, Andhrahalli, Kachohalli, Vishwaneedam, Machohalli, Dodbidarakallu, Bommanahalli, Madiwala, Hulimavu, Singasandra, Parappana Agrahara, Haralur, Maharapadarapur, Maharajadevapura under Rajarajeshwarinagar range. , Vibhutipur, Chellakere in Yalahanka range, Singapore, Narasipura, Rachenahalli, Kogilu, Halasur in the eastern part, Bairasandra lakes are the sites of metallic impurities. There are no lakes in category A, B, C. There are 66 lakes in 'D' category and 40 lakes in 'E' category. The number of lakes in category 'E' has increased in November as compared to October.
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