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An attempt has been made to study the quantum of domestic sewage from socio-economic and environmental perspective taking Tiruchirappalli City Corporation as the study area. Estimating its quantum of generation from domestic sector, measures undertaken by institutions for the treatment of sewage, its impact on human health, the volume of sewage drained in river Cauvery and sustainable treatment methods are central to the book. The official estimate of generation of per capita of sewage was 135 liters for TCC, while the field survey ascertained it to be 82.94 liters. Total cost involved in establishing the sewage treatment plant was Rs. 103 crores in the year 2004. Only nine percent of the households in TCC are connected with underground drainage system. Among 300 sample households, 124 household have reported illness due to water borne diseases and 115 households reported sewage caused water contamination. River Cauvery receives 157.73 MLD of wastewater from TCC, of these 103.26 MLD of sewage is from domestic sector. For proper operation and maintenance of STP, sanitation tax has been worked out and the average sanitation tax per household per year is worked out to be Rs. 800 per annum. It is lesser than the medical treatment cost of the household and it will enable corporation authority for effective management of STP on a sustainable basis.
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Kuhusu mwandishi
Dr. A. Royal Edward Williams, Assistant Professor in Economics at Sacred Heart College (Autonomous), Tirupattur, Vellore (Dt.), Tamil Nadu. He is trained in Environmental Economics from Bharathidasan University, and obtained Ph.D. degree under the guidance of Prof. M. Ravichandran, he is a recipient of Fulbright Fellowship Award under the Indo-American Environment Leadership Program in 2004 and Rashtriya Gaurav Award from the Indian International Friendship Society in 2011. The author has gained expertise in Statistical Package for Social Science (SPSS) and Econometrics. He has published one book and many research articles in the refereed Journals (both National and International).
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