Pamba Scheme


The Pamba Irrigation scheme in Pattanamthitta district aims at the utilization of the tail race water of Sabarigiri Hydro Electric project for irrigation purpose. The tail race water is let into the river Kakkad and is picked up at Maniyar by a barrage. The water thus collected is diverted through a canal on the left bank of the river. Project potential is 21135 Ha. in Ranni , Kozhenchery, Mollappilly and Thiruvalla in Pathanamthitta district and Chengannoor, Mavelikkara, Karthikappilly and Kayamkulam in Alapuzha district. The ayacut is generally on the right and left bank of river Pamba which is in between the rivers of Manimala and Achancoil on the right and left respectively and in tail reaches it covers Onattukara and eastern fringes of paddy field in Kuttanad of Kerala. The project consists of a barrage of length 115.22m with FRL at 34.62m. The project was completed during 1993.

Salient features 
Type Barrage
CompositionCentral spillway portion flanked by bulkhead section on either sides
Purpose Irrigation
Ayacut area21135 Ha
Catchment area287 Km²
Location Maniyar
District Pathanamthitta
Basin Pampa
Longitude76° 53’ E
Latitude 9° 20’ N
Full Reservoir Level+35.35 m

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