The water quality testing laboratory offer a complete range of water quality monitoring series in Sri Lanka. In the lab scale this research is carried out it show success results. Expansion of … //-->\n This email address is being protected from spambots. You need JavaScript enabled to view it. The disinfection of drinking water and municipal wastewater provides critical public health protection. Activated carbon dechlorinates drinking water through a chemisorption process whereby residual chlorine catalytically reacts with the carbon surface and is transformed into ionized hydrochloric acid. It needs only one fifth of land area compared to a plain sedimentation tank. The disinfection of drinking water and municipal wastewater through highly populated areas, hence affecting the quality of raw water. Location of  Service Meter & Distribution Pipe. Diyawanna Lake located in the centre of the administrative capital of Sri Lanka. About one ppm chlorine gas is injected into water to produce free chlorine that destroys and deactivates pathogenic and other organisms through oxidation. Research & Development section has made a household disinfectant solution (NaOCl). Several water quality monitoring programme has been carried out by the laboratory of Central Environmental Authority. ä¸Š 智規 , Weragoda S. K. , Attanayake M. A. M. S. L. , Masaki SAKAMOTO , Masamoto TAFU , Hideharu HONOKI , Yuka SERIKAWA エコテクノロジー研究 16(2), 39-45, 2011 The process is increase pH levels typically found in drinking water. Diyawanna Lake is an important water … document.getElementById('cloak18100').innerHTML += '' +addy18100+'<\/a>'; Estimation of pollution in Sri Lanka, using perception. Raw water pumping is done in accordance with an agreement made with Mahaweli authority, Sri Lanka.This raw water is screened and grit removed at the var addy70599 = 'agmrnd' + '@'; As the flocs settle, the clarified water at the surface overflows a simple weir on top to the filtration unit. A graph was drawn according to the test results. The following areas (Shown in Figure 1) were inspected by R&D section after the discussion with Manager (Bandarawela) and OIC (Girandurukotte) to provide bowser supply for CKD affected areas close to the Girandurukotte Water Supply Scheme (WSS). Houses where there had been a fatality due to CKD, Willing to accept rain water for consumption. Boiling, cloth filter and plain sedimentation are widely used traditional household water treatment options in Sri Lanka. You need JavaScript enabled to view it. As it is not practically possible to cover the entire district with pipe borne water, NWSDB proposes rain water harvesting and provision of treated water via bowser supplies could help the un served communities to avoid this deadly disease. The House Connection Report emphasizes that, “In this perspective, water conservation is very important in order to save the national wealth. REVISED HOUSE CONNECTIONS - HDPE Click here..... Pebble Matrix filter is identifiead as a low cost method for removing high turbidity in raw water and pilot project was carried out at Kataragama Water Supply Scheme, following pdf will give you more details of the project. The processes indicate in this model is given as below. document.getElementById('cloak70599').innerHTML += '' +addy70599+'<\/a>'; SRI-KID: Exploration of relationships between locally constrained chronic kidney disease (CKD) and water quality in Sri Lanka (BMBF, 2017-2019). Those well documented annexures provided for the Pilot Programme is a comprehensive literature prepared by the technical and administrative teams of GKWSP, are composed of specifications, safety arrangements, technical drawings, BOQs, bidding documents and terms & conditions. Following documents were prepared by the GKWSP for the introduction of the new scheme. Mahidol University, Thailand. ඇමති වාසුදේව උද්ඝෝෂකයන්හමුවේ කියා සිටි. With the lessons learnt from provision of ferro-cement tanks, NWSDB has initiated in year 2010 to provide 154 nos of a capacity of 2000L plastic tanks to identified dwellings of the patients in Polpithigama area. This is a simple flow control device which was constructed and tested to get required flow rate by adjusting the water height. Sri Lanka: Food & Water Safety All too often, travellers abruptly find themselves suffering from a gastrointestinal infection. Mahinda Amaraweera, Minister of Environment visited the Nuwara Eliya district, Appointing of Inter Ministerial National Operation Committee for “Surakimu Ganaga” National Program, Registration of Community Organizations on Environment, Red List of Threatened Fauna and Flora of Sri Lanka, Licensed Collectors of Electronic Waste Management in Sri Lanka. var prefix = 'ma' + 'il' + 'to'; The monitoring parameters includes pH , Electrical conductivity (EC), Turbidity (Turb), Temperature (Temp) ,Dissolved Oxygen (DO) Biochemical Oxygen Demand (BOD) ,Chemical Oxygen Demand (COD), Dissolve heavy metals such as Leas and Chromium . New program to control the use of furnace oil in an environmentally friendly manner ... World Environment Day – 2020 “Time for Nature”, Implementation of Quality Management System –ISO 9001:2015 standard within the CEA, World Environment Day – 2020 Environment Lyrics Competition "Time for Nature", Hon. Nutrient  and Microbiological contaminant etc.. Water Quality Monitoring  of Kelani River. Ongoing Projects and New Projects under Corporate Plan 2020-2025. Also this step removes dissolved gases such as CO2, H2S and Ammonia from water thus improving the taste. for more than 30,000 well sites including data on tube wells, water levels and water quality. 107 square meters land. In certain areas 5 to 10 % of the population of all age groups including children is affected. 104, Denzil Kobbekaduwa Mawatha,Battaramulla,Sri Lanka. In South Asia Plain sedimentation, cloth filter, boiling, solar disinfection and chlorination are the five most commonly used HWTS options. ජල නල කාර්මික ශිල්පී වෘත්තීය නිපුණතා නැවුම්කරණ පාඨමාලාව සඳහා අයදුම්පත, Application for Plumbers Refresher Course. ජල සම්පාදන අමාත්‍යතුමාගේ රත්නපුර - ඇහැලියගොඩ කාර්යාලය විවෘත වේ. Sri Lanka Sanitation coverage in Sri Lanka is 92%—the best in South Asia. Further, Figure 4 shows the percentage of the CKDu patient in the Haguranketha Yaya village. The project at its growing maturity with the blessings of completion of Phase I stage I, has been anticipating gradual return-on-investment since inception, while adhering to the main objective, “to establish a proper pipe laying practice within NWSDB in concentrating within the given criteria”. At present the social survey is in progress. //-->\n ">, Eng.P.A.G.GunathilakaChief EngineerTelephone: +94112625196, Eng.S.K.L.S. *Theoretical tank filling frequency: 7 Days, The post survey was carried to investigate project performance and it revealed 87% of the total population (Figure 3) is adapted to the introduced system. Fluoride concentration of more than 1.0 mg/L was found in … In Sri Lanka, ground water is mainly used via well water. water quality of groundwater using the WQI method in the CKDu prevailing area of Sri Lanka to assess the suitability of groundwater for drinking purposes. Each piece of information carries in depth guidance to the contractor or the technical person or any stakeholder including the potential consumer. Removal of residual chlorine using activated carbon at the point of use helps to improve the taste and reduce health risks. 18H2O] – Hydrated Aluminium Sulphate} are added to neutralize and destabilize these particles to induce them to aggregate into bundles known as flocs. var addy50067 = 'agmrnd' + '@'; addy70599 = addy70599 + 'gmail' + '.' + 'com'; In recent past year with continuous improvements Research & Development section has designed 500, 1000 & 1500 cum treatment plant with tray & cascade aerators with the options of mechanical, hydraulic flocculation. Wastewater Treatment sri lanka- watercare Engineering (Pvt) Ltd. Home