Browsing Water Quality by Title

Analysis on drinking water quality in the Vavuniya divisional secretary division using GIS

Krishanthan, P.; Samanmali Mathara Arachchi, D. (2016)

Poor drinking water quality in the Vavuniya discourages people to drink ground water and to use bottled water or boiled the water instead in recent years due to the health issues such as Chronic Kidney Diseases. There is ...

Arsenic contamination in sedimentary groundwater basin of Mukunkan in northern Sri Lanka

Premathilaka, M.; Chandrajith, R. (2023)

Present study was carried out to assess the status of arsenic (As) in groundwater of Murunkan sedimentary basin. This basin supplies 10,000 m3/day of groundwater as potable water to surrounding region. A total of 19 ...

Arsenic, cadmium, lead, and chromium in well water, rice, and human urine in Sri Lanka in relation to chronic kidney disease of unknown etiology.

Ayala, H. M.; Herath, S.; Tomonori Kawakami; Shiori Nagasawa; Yuka Serikawa; Ayuri Motoyama; Tushara Chaminda, G. G.; Weragoda, S. K.; Yatigammana, S. K.; Amarasooriya, A. A. G. D. (IWA publishing, 2018)

Chronic kidney disease of unknown etiology (CKDu) is spreading gradually in Sri Lanka. In the current research, 1,435 well water samples from all 25 districts of Sri Lanka, 91 rice samples, and 84 human urine samples from ...

Assesment of water quality and pollution leval at kakaitheevu lagoon of Jaffna district,Northern Sri Lanka.

Senthuran, L.; Sivashanthini, K.; Thavarangith, A.C.; Sutharsiny, S. (2015)

The present study was carried out to investigate the water quality and pollution levels at Kakaithivu Lagoon of Jaffna district. Water samples were collected from 8 locations of the Kakaithivu Lagoon. Monthly samplings ...

Assessing and mapping the groundwater potability in Vallipuram coastal area, Jaffna peninsula, Sri Lanka by weighted arithmetic water quality indexing method

Anoja, N.; Sharmilaa, R.; Sirisena, A. (2023)

Ground water is an extremely valuable resource and pollution of ground water resources is a matter of serious concern. Though more than 80% of people in the Jaffna region, rely on groundwater self-supply wells, the extent ...

Assessing and mapping the groundwater potability in Vallipuram coastal area, Jaffna peninsula, Sri Lanka by weighted arithmetic water quality indexing method.

Anoja, N.; Sharmilaa, R.; Sirisena, K. A. (2023)

Ground water is an extremely valuable resource and pollution of ground water resources is a matter of serious concern. Though more than 80% of people in the Jaffna region, rely on ground water self-supply wells, the extent ...

Assessing the Quantity and Quality Controls of the Freshwater Lens on a Semi-Arid Coral-Limestone Island in Sri Lanka

Wu, C.L.R.; Stigter, T.Y.; Craig, S.G. (2022)

Uncertainties in the contamination and salinization mechanisms of the freshwater lens (FWL) in the semi-arid coral-limestone aquifer of Delft Island, Sri Lanka threatens its water security. The processes governing the ...

Assessment and mapping of groundwater quality for drinking purposes: A case study on Vallipuram coastal area, Jaffna peninsula, Sri Lanka.

Sharmilaa, R.; Anoja, N.; Sirisena, K. A. (2023)

The people of the Jaffna Peninsula completely rely on groundwater for all of their water requirements. The Vallipuram water supply scheme has been started by National Water Supply & Drainage Board (NWS&DB) with the ...

Assessment of groundwater quality in Vavuniya and Mullaitivu, Sri Lanka using multivariate statistical techniques and a Water Quality Index

Meegahakumbura, S. P. S.; Nanayakkara, N. (2023)

Groundwater is the primary source of potable water in the Northern province of Sri Lanka. Extensive development projects, comprising resettlements after the civil war, resulted in more groundwater extraction. This study ...

Assessment of nitrate-N contamination in the Chunnakam aquifer system, Jaffna Peninsula, Sri Lanka

Vithanage, M.; Thushyanthy, M.; Pathmarajah, S.; Arasalingam, S.; Manthrithilake, H. (2014)

Jaffna peninsula in Sri Lanka is an area of intensive agriculture using extensive organic and inorganic nitrogenous compounds and hence, this study was focused on assessing vulnerability of karstic aquifer system with ...

Assessment of Physico-Chemical Parameters of Groundwater For Drinking Purpose With Reference to Resettlement Area, Vavuniya

Pradip Shah; Nanthakumaran, A.; Kawamoto, K. (2019)

This study deals with Physico-chemical of groundwater and surface water that are degraded by geological structure, poor sanitation, solid waste dumping and cultivation in this area have led surface and groundwater pollution ...

Assessment of selected water quality parameters in Kakkaitheevu lagoon, Jaffna, Sri Lanka.

Fernando, A.S.R.; Shobiya, P.; Ragavan, N.; Sivashanthini, K. (2020)

Kakkaitheevu is part of the Jaffna lagoon and is known for its fish production. The area consists of sewerage and solid waste disposal plant. The objective of the study was to investigate the changes in selected physical, ...

Assessment of spatial and temporal behavior of saline groundwater in a coastal aquifer: A case study from the Pungudutivu Isand, Sri Lanka.

Pathmaraja, S.; Rajasooriyar, L.D.; Dharmagunawardhane, H.A.; Senthilnanthanan, M.; Thushyanthy, M. (2016)

Miocene limestone aquifer is the only source of water for drinking, domestic and livelihood purposes in the Jaffna peninsula and its neighbouring islands. Groundwater resources are increasingly becoming scarce in these ...

Assessment of spatial and temporal trend of groundwater salinity in Jaffna Peninsula and its link to paddy land abandonment

Gopalakrishnan, T.; Kumar, L.; Thushyanthy, M. (2020)

Salinization is an explicit global threat faced by coastal low lands. The increased seawater ingression into groundwater due to various climatic and anthropogenic factors affects functioning of ecosystems, biodiversity and ...

Assessment of water quality and pollution in Gurunagar fishery harbour, Jaffna, Sri Lanka

Sivanandan, A.; Kuganathan, S.; Ketheesan, B. (2023)

Coastal marine water pollution is caused by anthropogenic activities either directly or indirectly. Substances released into marine coastal environment result in deleterious effects such as harmful to living resources, ...

Assessment of water quality index of groundwater quality in Chunnakam and Jaffna Town, Sri Lanka

Harshan, s.; Thushyanthy, M.; Gunatilake, J.; Srivaratharasan, T .; Gunaalan, K. (2017)

The Water Quality Index (WQI) is simple tool and compound indicator, aggregates information from several water quality parameters to convey water quality information in single value to planners, policy makers and the public. ...

Challenges Ahead in Groundwater of Sri Lanka

Asanthi, H.B. (2023)

Groundwater has been a safe water storage in Sri Lanka throughout history and the unique characteristics of different aquifers impact variation of the water quality. However, due to population growth, unplanned urbanization, ...

Characterization of iron Bacterium Gallionella ferruginea isolated from the drinking water of the collector wells in Northern Sri Lanka.

Aberamy, S.; Jashothan, Ponipus T. J.; Saravanan, S; Kapilan, R. (2016)

The objective of the study was to isolate, identify and characterize the organism/s responsible for the brownish slime colour and bad odour of the water from the collector wells at Vallipuram area of the Northern Sri ...

Coliforms in the ground water system of the University of Jaffna premises and surroundings after the cyclone; Nisha, 2008

Gajapathy, K.; Kapilan, R.; Saravanan, S.; Vengadaramana, A. (2009)

The coliforms are commonly found in nature in various habitats. After the recent cyclone (Nisha), there is a chance for the contamination of feacal matters to the deeper levels of the ground water system. The current study ...

A comprehensive water safety plan for Kilinochchi Dri Aaru water supply scheme

Rishanth, J.; Amsathvany, K.; Ketheesan, B. (2019)

The safe drinking water is essential to human health but water borne disease is one of the major health problems worldwide. In Asian countries, safe drinking water supply at household lever is limited and the rural area ...

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