When the water level of the reservoir recedes, even now old Christian Church of Nayamabadi and some Hindu temples from other villages emerge from it as proof.

[5] Those people who migrated from Nayambadi have settled down in Martalli, Cowdalli and other nearby villages in the Kollegal taluk of Chamarajanagar district of the state of Karnataka.

The dam, the park, the major hydroelectric power stations, and hills on all sides make Mettur a tourist attraction.

The Mettur Dam has received public attention since the latter half of the 20th century, and especially in the mid-1990s, due to the Kaveri River water dispute between the States of Tamil Nadu and Karnataka.

As a result, the dam nearly goes dry during certain periods of the year, often when water is most needed by the farmers and the general public of Tamil Nadu.

Governments of the respective states, the Supreme Court, and the Cauvery Tribunal have so far not been successful in resolving the dispute.

The major reasons for the deficit are inadequate realisation of Southwest monsoon in the primary catchment areas of the river viz., Kodagu and Wayanad and the over reliance of the river water for irrigation and drinking water schemes in both the states.

Mettur Surplus Water Scheme (Also called Sarabanga Lift irrigation project) was announced in the year 2019 by then Chief Minister Edappadi K. Palaniswami at the cost of Rs.