Daily: Dams versus desalination: which is the better alternative to secure water supplies for the parched south-east? Debate has raged since the government unveiled its controversial plan to build the $1.7 billion Traveston Dam and has been reignited with the admission that water prices are set to soar due to a blow-out in infrastructure costs. The government’s $9 billion water grid is expected to force average household water bills on the Sunshine Coast up by almost $200 by …