A Study on Improvement of Wastewater Disposal System in Jaffna Municipal Council Area, Jaffna Sri Lanka

T.D.Denagama and R.Sivakumar P.Gajenthiran
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T.D.Denagama: Department of Construction Technology, University of Vocational Technology, Sri Lanka.
R.Sivakumar P.Gajenthiran: Department of Construction Technology, University of Vocational Technology, Sri Lanka.

International Journal of Research and Innovation in Social Science, 2023, vol. 7, issue 2, 445-450

Abstract: Jaffna Municipal Council is the heart of Jaffna district with a land area of around 20.20 km2 and 27,820 families are living at present. JMC is maintaining the groundwater recharging ponds, wastewater disposal systems and drainages. At present storm water drainage is using as wastewater drainage and using as a wastewater collecting tank. Therefore, wastewater treatment is needed to provide a quality and affordable environment. A detailed literature review was carried out to understand the reasons for this problem and how to overcome them. A survey with a questionnaire and wastewater testing analysis was carried out. According to the analysis majority of the people are using open dug well, therefore, groundwater should be protected and 55.83% of the lands are 10-20 perches and some main parameters were above the standard level. Based on the findings of the feasibility study centralized conventional wastewater treatment plant with tertiary or advanced treatment is very much feasible. The common conventional process with advanced treatment was used and the treatment plant was designed to 17900 m3/day to accommodate 109,535 people. The total cost of the project is 473 million. With the propose system waste water quality will be well below the required standard levels. A wastewater treatment plant is most important for JMC to reduce environmental pollution and reduce groundwater pollution and maintain the groundwater table.

Date: 2023
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