The Munnar Headworks Dam – is a masonry type diversion weir (a small check dam) also known as R. A. Headworks or Ramaswamy Aiyar Headworks was built in 1940’s and was named after C P Ramaswami Iyer. It was constructed for collecting water for Pallivasal Hydro Electric project. The water collected in the dam is redirected to the Pallivasal powerhouse.
The water reaches the reservoir through Muthirappuzha which carries water from Nallathanni and Kannimala rivers and also from Mattupetty Dam.
This is the oldest dam that built in Munnar. This is like a bridge to Pothamedu and places on the other side. Only one 3 or samll 4 wheelers can pass through this dam. Do note that its only open from 7:30 am to 9:00 pm.
The catchment area at the dam site is 235 sq km, the reservior spread area is 0.01 sq km, gross storage capacity is 0.223 MCM, there are 3 nos of vertical lift spillway gates.
This currently comes under the jurisdiction of KSEB.
Photos of Munnar Headworks Dam
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