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Performance Audit and Evaluation of Tank Filling Schemes (TFS)

Performance audit and evaluation of Tank Filling Scheme (TFS) in Huvinahadagali & Hagaribommanahalli taluks, District: Ballari (Vijayanagara), Karnataka


Government of Karnataka, Additional Chief Secretary, Water Resource Department, Bangalore vide his letter number WRD 178 KBN2020, Dated:08/10/2020 instructed to Chief Engineer, KNNL, Munirabad for Evaluation of Tank filling Scheme(TFS) of 10 Tanks of Huvinahadagali and Hagaribommanahalli taluks of Ballari District. Based on the above instructions by Chief Engineer, KNNL, Irrigation Central Zone, Munirabad requested vide his letter number ಮುಇಂ/ನೀಕೇಂವ/ಕನೀನಿನಿ/ತಾಂ.ಸ-2/ಸ.ಇಂ-10/2020-21/2463 Date: 28.10.2020 for Evaluation of Tank Filling Scheme (TFS) to the Director, Water and Land Management Institute (WALMI Dharwad), Dharwad. Accordingly, an evaluation report has been prepared based on field visits, and primary and secondary data details.


The study started in the Huvinahadagali and Hagaribommanahalli taluks with the support of the Department of Rural Development and Panchayath Raj and KNNL, Hadagali. There were 120 samples were collected randomly by the villages from beneficiaries of the tank's water users. The primary data was collected from the beneficiaries of tank water to evaluate the usage of water and the impact of tank water usage by the beneficiaries living in the study area under 10 tanks. This study will help for further policy implications and as a benchmark to study some government schemes.


The results will be discussed in the stakeholders meeting with the concerned Department officials in Huvinahadagali and Hagaribommanahalli taluks.


Specific Objectives


  1. To assess the socioeconomic features of beneficiaries in the Tank Filling Scheme (TFS).

  2. To analyze the capacity of tanks filled up from River water in the Tank Filling Scheme (TFS).

  3. To assess utilization of water from tanks and augmentation of irrigation, drinking water,

    and fishery aspects of the Tank Filling Scheme (TFS).

  4. To analyze Groundwater recharge in beneficiary villages of the Tank Filling Scheme (TFS).

  5. To assess the socio-economic benefits of the Tank Filling Scheme (TFS).

  6. To assess the problems and opinions of beneficiaries in the Tank Filling Scheme (TFS).


Results and policy implications


  • The total storage capacity comprising all 10 tanks is 687.52 Mcft. Live storage of 623.34 Mcft is maintained from 2017-2018 to 2020-2021.

  • A major portion of irrigated area is from Tank irrigation e., 71.15 percent. The rest of the irrigated area is from canals and Borewells i.e., 22.02 percent and 6.47 percent respectively.

  • The social and Financial aspects of Tank beneficiaries have been analyzed. 75 percent of landholders are belonging to medium and small farming communities and 25 percent of landholders are large farmers.

  • 79 percent of beneficiaries are literate as per the analysis of primary data

  • The drinking water facility is improved from this TFS. An increase in the number of OHTs and Taps is also noticed. The numbers of taps available during 2017-18 are 535 and enhanced to 876 during 2020-2021.

  • The total numbers of existing OHTs are 8 numbers. The total storage capacity comprising 8 Over Head Tanks is 2,50,000 liters storage capacity is achieved. The consumption of drinking water available is 21.25 lit/capita/day.

  • Drinking water, livestock usage, cloth washing, and fishery activities have benefitted from TFS.

  • An increase in the Water table of Hagaranur village (13.22%) and Hirehadagali village (17.10%) are noticed, as a result, there is an increase in water levels of bore wells and open wells.

  • Fisheries activity is observed in 6 tanks resulting in an increased income for Gram Panchayathts during 2015-2020 and the total increase is Rs. 9,86,884.

  • Change in cropping pattern in respect of Huvinhadagali and Hagaribommanhalli taluks of 10 tanks is observed. Commercial crops like Sugarcane, Cotton, Paddy, and horticulture crops are replaced by earlier crops Maize, Jowar, and Groundnut.

  • Farmers are interested in growing crops like Paddy and Sugarcane these crops require more water. Hence, it is advisable to adopt micro-irrigation to avoid more consumption of water.

  • The standard of living of beneficiary farmers is increased from this TFS and there is an increase in employment (5.22 %) in respect of Agriculture and Animal Husbandry.

  • Increases in income to the extent of 59.17 percent in Agricultural and Animal Husbandry activities are observed from this TFS.


Challenges and Solutions observed in the study area


  • Crops require more water are grown in the project area. Hence, it is advisable to adopt Micro Irrigation for Economical use of water.

  • Encroachment of the Tank area pertaining to Hirehadagali, Hagaranuru, Hiremallankere, and Mudenuru tanks is observed. It is advisable to remove the encroachment.

  • Seepage and wastage of water are observed in Hirehadagali and Hagaranuru tanks which need to be resolved.

  • Silt is increased in tanks and growth of Jali and Lantana is also noticed, hence maintenance of tank has to be taken up.

  • Wastage of water through small holes in the tank bund is observed as a result adjoining crops are damaged, which need to be attended to.

  • Wastages of villages are diverted to tanks as a result purity of water is reduced which needs to be addressed.



Last Updated: 26-05-2022 12:33 PM Updated By: Admin

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