Authors: Sangeeth Kumar.J, Janarthanan.V, Logeshwaran.S, D.Jeevanantham,B.E
Abstract: Water treatment plants (WTPs) play a fundamental role in delivering safe and reliable drinking water to urban and rural populations. This journal paper documents a field visit to the Pollachi Water Treatment Plant (WTP) located at Kolathur Village, Pollachi Taluk, Coimbatore District, which is part of the Combined Water Supply Scheme (CWSS) supplying Pollachi North, Pollachi South, Kinathukadavu, Gudimangalam, and adjoining habitations. The scheme sources water from the Aliyar River, with an intake well and raw water pump house that lifts water for treatment. The plant consists of headworks, aerator, stilling chamber, flash mixers, dividing chambers, clariflocculators, filter beds, clear water sump, and chemical treatment units for coagulation, flocculation, and disinfection. During the visit, the operation of raw water pumping mains, filter media layers, chlorination arrangements, laboratory facilities, booster pumping stations, and service reservoirs were observed. With a designed treatment capacity of 26.38 MLD, the scheme ensures reliable water supply to urban wards and more than 200 rural habitations. This field exposure enabled students to understand the engineering design and operational aspects of drinking water treatment and distribution, bridging theoretical knowledge with field practice
