Any or all nonessential water usage, as determined by the city of Cambridge or its staff, shall be curtailed or discontinued during or at any time when the city determines that a water shortage exists or any water related emergency exists. Fountains and sprinklers for lawns or gardens shall not be operated during or at any time when the fire department is attempting to extinguish any fire within the city limits. At any time the city council determines that good cause exists, the council may impose upon persons using city water for irrigation purposes a rotation system of irrigation. (Ord. 2-2014, 5-12-2014)