(a) whether the Government has devised any criteria for categorising rivers in major and minor category;
(b) if so, the details thereof;
(c) the details of major and minor rivers pertaining to each State, particularly in Karnataka; and
(d) the details of expenditure made to clean rivers in Karnataka during the last three years?
THE MINISTER OF STATE FOR JAL SHAKTI & SOCIAL JUSTICE AND EMPOWERMENT
(SHRI RATTAN LAL KATARIA)
(a) to (c) There is no existing categorisation of rivers as major and minor rivers. However, it is informed that the country has been divided into 12 major river basins & 8 composite river basins for the purpose of assessment of water resources potential of India. Each basin has a main river and its tributaries. But, the main river in one basin can be smaller than a tributary of another basin. The name of the basins/rivers and some of its main tributaries are as below:-
S no Name of Basin Some of the main Tributaries
1 Indus Indus, Gilgit, Satluj, Jhelum, Shyok, Beas, Ravi,chenab
2 Ganga Ghagra, Gandak, Kosi, Yamuna, Ramganaga, Sone, Ken
3 Brahmaputra Teesta, Dhansiri, Kalung, Manas, Sukla, Subansiri
4 Barak and Others Tuilang
5 Godavari Darna, Kadwa,Pravara, Purna, Manjra, Kaddam, Pranhita, Indravati, Sabari
6 Krishna Koyna, Ghatprabha, Malprabha, Bhima, Tugabhadra,
7 Cauvery Harangi, Hemavati,Kabbani, Bhavani
8 Subernarekha Kharkai, Sone, Chipat
9 Brahmani and Baitarni Basin Sankh, Salandi, Ramiala
10 Mahanadi Salariya, Pairi, Seonath, Jonk, Hasdeo
11 Pennar Chitravati
12 Mahi Som,Panam
13 Sabarmati Hathmati, Vatrak
14 Narmada Barna, Tawa, Kolar,Chhota Tawa, Man, Hatni,Karjan
15 Tapi Purna, Girna,Vaghur
Contd...P/2
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16 West Flowing Rivers from Tapi to Tadri Damanganga, Vaitarana, Ulhas,Kundalika,Chapora,Kalinadi
17 West Flowing Rivers from Tadri to Kanyakumari Sharavati, Varahi, Bharathpuzha,Kurumali,Peryar,Pamba, Kallada
18 East Flowing Rivers between Mahanadi and Pennar Rushikulya,Vamsadhara,Nagavalli,Tandava, PeddaEru, ErraKalava, Gundalakamma
19 East Flowing Rivers between Pennar and Kanyakumari Uppuleru, Arani, Palar, Ponnaiyar, Vellar, Vaigai
20 West Flowing Rivers of Kutch and Saurashtra including Luni Shetrunji, Bhadar, Machhu,Banas, Luni
Central Pollution Control Board (CPCB) along with State Pollution Control Boards (SPCB) / Pollution Central Committees (PCC) monitors water quality of rivers. As per CPCB report of 2018, 17 rivers of Karnataka have been found polluted based on concerntration of Bio-chemical Oxygen Demand (BOD) which are as follows:
Name of River Polluted Stretch Priority
ARKAVATHI HALLI RESERVOIR TO KANAKAPURA TOWN III
LAKSHMANTIRTHA KATTEMALAVADI TO HUNSUR III
MALPRBHA KHANAPUR TO DHARWAD III
TUNGABHADRA HARIHAR TO KORLAHALLI III
BHADRA HOLEHUNNUR TO BHADRAVATHI IV
CAUVERY RANGANATHITTU TO SATHYAMANGALAM BRIDGE IV
KABINI NANJANAGUD TO HEJJIGE IV
KAGINA SHAHABAD TO HONGUNTA IV
KALI HASAN MAAD (WEST COAST PAPER MILL) TO BOMMANAHALLI RESERVOIR IV
KRISHNA YADURWADI TO TINTINI BRIDGE IV
SHIMSHA YEDIYAR TO HALAGUR IV
ASANGI NALLA ALONG ASANGI V
BHIMA GHANAPUR TO YADGIR V
KUMARDHARA ALONG UPPINANGADI V
NETRAVATHI UPPINANGADI TO MANGALURU V
TUNGA SHIVAMOGA TO KUDLI V
YAGACHI ALONG YAGACHI, HASSAN V
(d) No expenditure has been incurred by this Ministry for pollution abatement in rivers of Karnataka during the last three years under the National River Conservation Plan (NRCP).
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