Malampuzha Major Irrigation Project JI02667

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Salient Features
1Irrigation Project NameMalampuzha Major Irrigation Project
2Irrigation Project Name Alias
5Engineering TypeStorage
8Districts BenefitedPalakkad,Thrissur
9BasinWest flowing rivers from Tadri to Kanyakumari
11Project SharingNone
14Work Started in 5 Year PlanI-Plan
15Completed in 5 Year PlanII-Plan
16Project Approval StatusPlanning Commission
17Year of Approval by Planning Commission1949
18Approved Cost (Rs. in cr)3.88
19Actual Cost (Rs. in cr)5.8
20Culturable Command Area (CCA) (th ha)22.55
21Ultimate Irrigation Potential (UIP) (th ha)45.11
22Potential Created (PC) (th ha)45.11
23Project Covered under ERM SchemeYes
24Project Covered under CADA SchemeYes
25Project Covered under AIBP SchemeNo
26Studies Conducted
27Project Covered under Tribal Sub-PlanNo
28Project Covered under Drought Prone Area Programme (DPAP)
29RemarksChermangalam scheme also included

Associated Entities with Irrigation Project
1Cheramangalam WeirBarrage/ Weir/ Anicut (BWA)
2Malampuzha (Id) DamDam
Explore in Water Resources Projects Sub Info. System

Brief about Project

The Malampuzha Irrigation Project in Palakkad district (Kerala) is the first large-scale irrigation system attempted in Kerala state. The project consists of a dam constructed across the river Malampuzha, a tributary of Bharathapuzha. It consists of network of canal system to irrigate an area of 22.554 Th ha. The dam is straight gravity type of masonry with an earthen saddle. The length of masonry portion 1626.71 m and the earthen portion is 222.20 m. The capacity of the reservoir is 226 MCM at Full Reservoir Level (FRLFull Reservoir Level) +115.06 m and a water spread area of 22 The maximum height of the masonry dam is 38.10 m. The CCA of the project is 22554 hectare and annual irrigation is 45108 hectare. The project has two main canal, left and right bank.

i. The left bank is designed for dischage at head of 21.24 cumec to serve 17050 hectare and the length is 31.60 km. The canal with its network empties its residual water into Gayathri river to be used by Cheramangalam scheme about 5 km downstream of the river. The scheme was complted in the year 1951 and irrigates an ayacut of 1205 hectare.

ii. The right bank canal has a length of 32 km irrigating an area of 4299 hectare. the head dischage is 4.05 cumec.

The Malampuzha reservoir provides drinking water for Palakkad Municipality and 6 adjacent panchayaths. The Malampuzha garden set up in the downstream of the dam having an area of 28.5 acres, is the biggest tourist attraction of Kerala. There is also fish culture in the reservoir run by the Fisheries Department.

Techno Economic Apprisal

The project was approved by Planning Commission in the year 1949 for an estimated cost of Rs 3.88 crore and the project was commissioned in the year 1955.


In order to stabilize the ayacut of 1926 hectare, ERM scheme of the project has been formed and the Planning Commission has issued the investment clearance in the January 2010 for an estimated cost of 11.08 crore (2008 price level).

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