Mekedatu Dam will threaten Tamil Nadu's water security: PMK chief Anbumani Ramadoss
Jul 04, 2026
"The proposed Mekedatu Dam is designed to hold 70 TMC of water, making it the largest dam across the Cauvery River in Karnataka. Karnataka already possesses a storage capacity of 115 TMC across four major dams--KRS, Kabini, Hemavathi and Harangi. The new dam would push their total capacity to 185 TMC. In contrast, Tamil Nadu relies primarily on the Mettur Dam, which has a capacity of only 93 TMC. As a lower riparian state, Tamil Nadu survives largely on the surplus run-off water overflowing from Karnataka's reservoirs," he said.