Pambar  river , an east flowing river is  a tributary of Cauvery river .  The basin  area  of Pambar  scheme in  Kerala is 384KM2.  It is located  in Idukki district.  Pambar river is flowing upstream of Amaravathy reservoir in Tamilnadu.  This is an interstate river.  According to the final verdict of Cauvery river water tribunal, Kerala is eligible for 30 TMC of water from Cauvery basin.   Out of this, 3 TMC is Pambar basin’s share. In order to utilize this share effectively, the following schemes proposed in Pambar basin.

 1.Chengalar Scheme

 2.Thalayar Scheme

 3.Vattavada Scheme

 4.Champakad Scheme

The work ‘Re-Construction of Pattissery Dam and Canal system’ under  Chengalar Scheme is under execution.  This scheme is located in Kanthalloor Village in Devikulam Taluk of Idukki District. The proposal is to construct a composite dam of height 33.2 M and 140 M width. By the implementation  of  Pattissery dam and canal system, 0.075 TMC of water can be effectively utilized.

 Administrative sanction was accorded from Government for an amount of Rs 46,81,91,957/-vide Go(Rt) No.58/2019/WRD dtd 24/01/2019. Technical sanction for civil work  was issued for an amount of Rs.42,90,49,957/- vide order no 01/TS/CE-PII/2018-19 dtd:11/02/2019 and the work has been awarded  to M/s. Paulose George , Construction  Company  Private Ltd. The works are in good progress and about 55% works have been completed.

 The State share for Thalayar scheme is 0.78 TMC and proposals under this scheme are Upper Chattamunnar Dam and Lower Chattamunnar Dam. The State share for Vattavada scheme is 0.52 TMC and proposal under this scheme is Ottamaram Dam.