96 squatters in Kaliyasot & 33 in Kerwa reservoirs, finds panel

  • | Thursday | 21st September, 2023

Bhopal: The state-level joint committee constituted by the chief secretary for compliance of National Green Tribunal (NGT), central zone, order to check construction in the buffer zone of Kaliyasot and Kerwa dam site has found 96 encroachments over the Kaliyasot and 33 over Kerwa reservoirs. In its action taken report for removal of encroachments/structures, the panel said notices have been issued to the encroachers.The action taken report (ATR) presented before the tribunal on Wednesday states that out of the 96 structures over Kaliyasot reservoir, 84 were on government land and 12 on private land including 58 households, one family and seven temples. The committee also found 33 encroachments over the Kerwa reservoir, out of which 18 were structures situated on government land and 15 on private land. A satellite school and one power substation were also located within the buffer zone of Kerwa dam site.In the ATR, the committee — comprising the principal secretaries of revenue, water resource department, urban development and member secretary of Madhya Pradesh Pollution Control Board, principal chief conservator of forest and collector Bhopal — said that notices have been issued to the encroachers at the Kaliyasot dam site on September 11 this year by the competent authorities of revenue, urban and rural department. Notices have been issued to the encroachers at Kerwa dam site on September 8 and 11 this year.The report said representatives of the committee visited the sites between August 22, 2023 and September 8, 2023 and observed the situation there. The report said that the total Full Tank Level (FTL) area of both Kaliyasot and Kerva reservoirs is 527.75 ha and 462.15 hectares respectively. Apart from FTL area of Kaliyasot and Kerwa reservoir also recorded total buffer area, i.e. 33 meters from the water body, which was observed as 79.022 ha and 82.55 ha respectively, thus making the total area i.e., FTL plus buffer zone to be 606.77 ha for Kaliyasot reservoir and 544.70 ha for Kerwa reservoir.About the status of demarcation raised by the tribunal in its order of July 22, 2022, the committee said that 80% of boundary identification over an area of 529.68 hectares of submergence was already done in which 492.853 ha acquired land is submerged due to formation of reservoir up to FTL and additional acquired 36.827 ha land is marked for development for fisheries, plantation and other activities for Kaliyasot reservoir.Moreover, it was observed by the committee that earlier there were 123 pillars affixed at the FTL level out of which 64 were found damaged. As for the action taken in this regard, the committee said that a total of 679 pillars will be used to demarcate the FTL area out of which 227 pillars are completed and the installation of the rest 452 pillars is in progress which shall be completed by the end of October 2023. Furthermore concrete pillars are being affixed in concrete foundation and are OeD tagged for future reference/images.As far as Kerwa reservoir is concerned, 100% of boundary identification over an area of 462.50 ha of submergence area was already done. The report said that a total of 1080 concrete blocks will be used to demarcate the FTL area out of which 330 blocks are completed and the installation of the rest 750 blocks is in progress which shall be completed by the end of October 2023. Furthermore, concrete pillars are being affixed in concrete foundation and are geo-tagged for future reference/ images.On water quality of the two reservoirs, the committee said that the analysis report of the Kaliyasot water compared with IS:2296 (surface water standards) designated its best use in A to B category which is suitable for outdoor bathing. Referring to the concentration of dissolved oxygen in the water samples collected and analysed in the last 4 years (2020- July16 2023), it shows the value between 7.9-8.0 mg/l. The concentration of DO in the reservoir water is above 3 mg/I which shows that the reservoir is having sufficient oxygen concentration in the water to maintain its self-purification capacity.The water quality of Kerwa reservoir categorised as B which is suitable for outdoor use and bathing. Dissolved oxygen concentration in samples in the last 6 years (2017-2023) shows a value between 7.4-8.4 mg/l while concentration of DO in the reservoir water is above 3 mg/l.Referring to untreated waste flowing into Kaliyasot, the committee identified 4 fall points, wherein 1.25 MLD of untreated sewage flowed into the reservoir. For the prevention of the same it recommended that a 0.60 MLD STP will be connected through nallah diversion structure by September 30, 2023. The report further stated that 0.65 MLD untreated waste will require two new sewage treatment plants costing Rs 3 crore approximately for which UAD has approved funds on August 31, 2023.As far as Kerwa reservoir, the committee said that the major source of untreated discharge is from three villages –Mendora village, sewage from 38 households in Sharda Vihar Colony and a 800-capacity hostel and staff quarters with a total population of around 1050. Around 50 KLD wastewater is generated daily. There are two small dairies in the same drain ahead which have about 30 animals that discharge around 3KLD into the Kerwa reservoir. The second drain is from 41 households with a discharge of about 20 KLD.To check flow of wastewater in the reservoir, the state has prepared a DPR wherein two decentralised wastewater treatment system (DEWAT) are proposed — 70 KLD for Sharda Vihar School and another 35 KLD specifically for Sharda Vihar Colony at an estimated cost of Rs 35 lakh to be completed within a period of six months.

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