Metropolitan and other water districts slated to get water from the tunnels have yet to commit to paying for them, out of uncertainty whether the massive spending would really bring them enough water to make the cost worthwhile.
由于不确定此项庞大支出是否真能为它们带来足以降低水价的水量，预计将从隧道取水的大城市供水管理区和其他供水管理区尚未做出承担有关费用的承诺。