What is CWMA?
- CWMA = Cauvery Water Management Authority.
- It was constituted by the Central Government in 2018 following the Supreme Court’s directions in the Cauvery water dispute.
- It is associated with implementation of the Cauvery Water Disputes Tribunal (CWDT) award, as modified by the Supreme Court in 2018.
- Ministry: Ministry of Jal Shakti.
Why was it Created?
- The Supreme Court’s 2018 judgment directed the Centre to frame a scheme for implementing the final decision of the Cauvery Water Disputes Tribunal.
- The resulting mechanism included:
- Cauvery Water Management Authority (CWMA)
- Cauvery Water Regulation Committee (CWRC)
Cauvery River — Prelims Facts
- Origin: Talakaveri in the Brahmagiri Hills, Karnataka.
- States involved: Primarily Karnataka, Tamil Nadu, Kerala and Puducherry.
- Tributaries: Important tributaries include Kabini, Hemavati, Harangi, Shimsha, Arkavathy, Bhavani, Amaravati and Noyyal.
- Outflow: The Cauvery ultimately drains into the Bay of Bengal.
CWMA vs CWRC
| CWMA | CWRC |
| Cauvery Water Management Authority | Cauvery Water Regulation Committee |
| Apex management body | Regulatory/implementation support body |
| Supervises implementation of water-sharing arrangements | Assists in regulating releases and monitoring flows |
| Established in 2018 | Established along with the CWMA framework |
CWMA is NOT a constitutional body.
It was created through a Central Government scheme/notification pursuant to the Supreme Court’s 2018 directions, rather than directly by the Constitution.
UPSC Prelims Question — English
Q. With reference to the Cauvery Water Management Authority (CWMA), consider the following statements:
- It was constituted following the Supreme Court’s 2018 judgment on the Cauvery water dispute.
- It is responsible for overseeing the implementation of the Cauvery water-sharing arrangement.
- It is a constitutional body established directly under the Constitution of India.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Answer: (a) 1 and 2 only
Explanation: CWMA was constituted in 2018 pursuant to the Supreme Court’s directions for implementing the Cauvery water-sharing arrangement. It is not a constitutional body.




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