Meanwhile, on Samui Island, three main water sources, the wetlands of Phru Krajood, Phru Na Muang, and Phru Chaweng, store a modest total of 3,200,000m3, barely sufficient to quench the island’s growing thirst.
A lifeline emerges from the mainland, as a modest flow of 22,000m3 per day trickles through an undersea pipeline from Surat Thani, swelling by an additional 5,000m3 during the parched embrace of the dry season.
https://aseannow.com/topic/1324178-water-crisis-hits-koh-pha-ngan-and-koh-samui-tap-water-rationed/