Enforcement Rules of Fire Services Act Article 11

Civil utilities including power, gas and water supplies within the jurisdiction of a municipal, county/city government shall designate a unit authorized to promptly collect water supply or cut off the power supply and/or gas supply as applicable when notified by the commander of the fire department pursuant to Article 21 and 22 of the Act.
中文原文 消防法施行細則第11條
直轄市、縣(市)轄內之電力、公用氣體燃料事業機構及自來水事業應指定專責單位,於接獲消防指揮人員依本法第二十一條及第二十二條規定所為之通知時,立即派員迅速集中供水或截斷電源及瓦斯。

English translation for reference only; the Chinese text prevails. Not legal advice.