MAYILADUTHURAI: Nearly a week after the Mettur dam was opened for irrigation, the released River Cauvery water entered Mayiladuthurai district on Saturday night. The river water will be distributed for the district’s irrigation needs this week, said sources. Water Resources Department officials released the river water, which entered Thiruvalankadu in Kuthalam block as distributary 'Vikraman Aaru', from the Thiruvalankadu head …