Pennycuick Dam: A Historical Overview Location Thekkady, Idukki district, Kerala, India, near the border with Tamil NaduPurpose: Irrigation, water supply Construction and History. Engineer: Colonel John Pennycuick, a British engineerConstruction Period: 1887-1895Inauguration: October 1895 Significance: The dam was constructed to divert the west-flowing Periyar River eastward to the arid areas of Tamil Nadu, providing water for […]