Thiruvananthapuram: General Report of Pedistriculation and Auditor (CAG) on ‘Preparedness and Response to Floods in Kerala’ Ability in the Assembly on Thursday, has found that state water policy 2008 has not been updated in accordance with national water policies and has no provisions for flood control and Flood management.
It was also found that the state floodland had not been restricted and flooded plain zoning laws still had to be applied.
The report said that there were no large-scale flood hazards available in the state and state disaster management plans including flood vulnerability maps not in accordance with the criteria for the Central Air Commission (CWC) for flood-prone areas.
Only six rain gauges on the requirements of 32 gauges (according to existing bus norms) are available for estimated rainfall in Periyar Basin.
Also, the project to obtain real time data on rainfall, streamflow, etc.
Do not provide reliable data in real time even after a five-year interval.
In connection with the reservoir under the control of the Department of Water Resources, although SILTASI studies have revealed a significant sinental level in the Aruvikkara reservoir (43%), Mangalam Reservoir (21.98%), Pappara Reservoir (21.70%), lies activities have not been taken Long in addition to the Mangalam Reservoir, which began in December 2020.
Land use and land cover analysis for all periiar basin, including the district examined in Idukki and Ernakulam, revealed an increase in the built-up area with almost 450%.
During 1985-2015 and a decrease in water bodies was almost 17%.
The presence of continuous encroachment in the Cheruthoni river bed blocked the river free flow which resulted in damage during the 2018 flood, added the report.
Even though it passed 20 years since the international airport commissioning in Kochi and the example of severe flooding in the area, irrigation, income, and disaster management wings, the local body concerned and Cial could not ensure well-maintained diversion with adequate canal to carry chengalthodu waters (if it occurred The heavy flood) to the Periyar River to maintain the overall hydrology of the area and ward off the potential risk of flooding in population residents.
Lower than the dredging targeted to deepen and expand the leading channel spillway thottapally coupled with the presence of more than 500 trees planted in the spillway’s mouth producing a reduction capacity of the spillway, contributing to the situation of flooding in Alappuzha in August 2018, the report said.
Although 7,124 immediate repair work and recovery of compensation in 2018 was approved for execution under the state disaster response fund, 18% of the work had not been completed even after two years and eight months (up to 2021), the report was found.