Abstract:
Sri Lanka had the most complex irrigation system of the ancient world. Most
of the great reservoir tanks still survive today. Thissa wewa is one of the
unique features of the Anuradhapura district. Mainly it provides drinking
water for more than 15,000 people living in 15 villages and governmental and
private sector institutions in the Anuradhapura town area and is used for
religious purposes. Exceeds one lakh to five pilgrims and others reach this
place for various reasons. As a result of an excessive amount of their urine,
and E-coli bacterium is added to the tank water. Due to that reason it mainly
affects access to drinking water and other purposes. This study mainly
investigates the consequences of the water quality of the Tissa Wewa. As a
study area, selected Tissa Wewa and Mihindupura villages. 30 questionnaires
given to villagers and pilgrims and interviewed 3 responsible institutions
selected through a convenient sampling method. And by prosecuting
secondary data also. Water consumers have to pay extra money for drinking
water additionally tap line water. The present lake is polluted due to fertilizes,
improper waste dumping, wastewater discharge, recreational activities are
some of them. This paper also discusses the Impacts on aquatic life, cultural
value, accessibility of drinking water, health effects especially Kidney
Disease, economy, etc. The treatment plant is a mixed high level of cleaning
agent for separate chemicals from the raw water and it is very harmful to the
human body. This study ends by discussing new solutions to overcome those
problems. Not polluting, appoint particular officers to protect that lake, policy
and regulations must be hardened, proper solid waste management practices,
proper wastewater treatment techniques, new regulations, regular quality
testing programs with the support from CEA, interference of religious. To
protect such kind of natural and cultural valuable lake systems should be paid
adequate attention to responsible institutions and officers in Sri Lanka.