7 hrs ago
Cauvery Water Dispute Renews Call for Distress-Sharing Compact
The Cauvery River supplies water to farms in Tamil Nadu and Karnataka.
Tamil Nadu opened the Mettur Dam later than usual this year.
This gave farmers some needed water for their crops.
The dam usually opens on June 12 and stays open for about 230 days.
Tamil Nadu says poor rain and insufficient water from Karnataka caused the delay.
Rain improved in August, allowing Tamil Nadu to release water for around 45 days.
The Supreme Court set water-sharing rules in 2018.
However, those rules did not explain how to share water when rainfall is unusually low.
Tamil Nadu Chief Minister C Joseph Vijay opened the Mettur Dam sluice gates on Tuesday, offering relief to Cauvery Delta farmers.
The dam normally opens on June 12 and closes on January 28, providing a 230-day irrigation period.
Tamil Nadu blamed the delayed opening on a weak southwest monsoon and Karnataka’s alleged failure to meet its water-sharing obligation.
Improved rainfall in August gives Tamil Nadu enough water to release supplies for about 45 days.
The Cauvery Management Authority oversees the 2018 Supreme Court verdict, but no drought-year sharing formula was established.
- Who
- Tamil Nadu, Karnataka, Tamil Nadu Chief Minister C Joseph Vijay, the Supreme Court, and the Cauvery Management Authority.
- What
- Tamil Nadu opened the Mettur Dam’s sluice gates after a delayed start to irrigation, amid a continuing dispute over Cauvery water-sharing.
- Where
- The Mettur Dam and the Cauvery Delta in Tamil Nadu, involving the Cauvery’s upstream areas in Karnataka.
- When
- The gates were opened on Tuesday; the delay followed a below-normal monsoon, while rainfall improved in August.
- Why
- Tamil Nadu said the delay resulted from a southwest monsoon deficit and Karnataka’s failure to honor its water-sharing obligation under the 2018 verdict.
Key facts
- Normal opening date
- June 12
- Normal closing date
- January 28
- Typical irrigation window
- 230 days
- This year’s available release period
- About 45 days
- Governing framework
- The Supreme Court’s 2018 Cauvery water-sharing verdict
- Oversight body
- Cauvery Management Authority
- Unresolved issue
- No codified distress-sharing formula exists for years of deficient rainfall
Sources
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