District Collector Sanjay Kaul has requested the public to use water carefully and avoid wastage to cope with the summer heat and drought. In a statement released here on Saturday, Mr. Kaul said Attingal and Varkala municipalities and Aazhor, Chirayankeezh, Anchuthengu, Kadakkavoor, Vakkom, Kizhuvilam, Cherunniyoor, Vettoor, Edava, Ilakamann, Chemmaruthi, Ottoor and Karavaram panchayats in the district are likely to face water shortage owing to a fall in the water level in the Vamanapuram river.