Shanmuganathi Dam in Theni district of Tamil Nadu is a lifeline for the drylands like Pusarikoundanpatti, Appipatti, Sukkangalpatti, Vellaiammalpuram, Odaipatti and Sepalakottai - all agricultural villages of Theni. The beautiful dam is set in a serene location, right at the foothills of Meghamalai Hills, very near to the village of Rayapanpatty.
Shanmuganathi Dam is built across Shanmugha River and stretches for about a kilometre. Given how important the dam and its water is for the nearby villages for drinking, cooking, cleaning as well as for irrigation purposes and growth of necessary cash crops like grapes and coconuts; it is aptly named after the most revered God in Tamil Nadu - Shanmugha or Lord Murugan, the Tamil avatar of Lord Shiva’s ward and the War General of the Gods, Lord Karthikeya.