Floods have been a recurrent phenomenon in Haryana from time immemorial. Many part of the state of Haryana are prone to flooding. The devastating floods hit Haryana many times. In 1977,1978,1980,1983,1988,1993 and 1995, 1996 floods occurred in Haryana. Floods have been causing extensive damage not only to standing crops but also loss of lives and cattle. The floods in Haryana can occur because of some natural reasons such as its physiographic situation which makes a depressional saucer shape zone around the Delhi-Rohtak-Hisar-Sirsa axis and it has a poor natural drainage system and sometimes the heavy precipitation becomes a major contributing factor in causing flood as such in case of Rohtak flood, 1995. The state receives anaverage rainfall of about 650 mm. The average annual rainfall varies from less than 300mm in the western and south western parts of Sirsa, Hisar and Bhiwani districts along the Rajasthan border to over 1100mm in the north-eastern Shivalik hilly tracts of Panchkula and Yamunanagardistricts along Himachal Pradesh border The problem of floods is further accentuated by theexistence of human-made barriers like the networks of roads and canals, which obstruct the natural flow of water and sometimes Drainage systems back up because they cannot cope up with the volume of water or are blocked by rubbish and garbage. On the other hand indiscriminate use of water for irrigation and deve lopment of low-lying areas and depressions has also created problem of drainage congestion and water logging which create a havoc of flooding. According to assessment of Rashtriya Barh Ayog and as reported by states to the 11th plan working group, flood prone area in Haryana is 23.50 lakh hectares. In flood manual of Haryana, there are 102 vulnerable points in Haryana which need special attention during monsoon.
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