| Dam/Weir: IDAMALAYAR DAM | |||
| Location | Latitude:10⁰13’18”N Longitude:76⁰42’23”E | Dam Features | |
| Type of Dam | Concrete – Gravity | ||
| Panchayath | Kuttampuzha | Classification | VHD (Very High Dam ) |
| Village | Kuttampuzha | Maximum Water Level (MWL) | 171.00 m |
| District | Ernakulam | Full Reservoir Level ( FRL) | 169.00 m |
| River Basin | Periyar | Storage at FRL | 1089.80 Mm3 |
| River | Idamalayar | Height from deepest foundation | 102.40 m |
| Release from Dam to river | Periyar | Length | 373.00 m |
| Taluk through which release flows | Kothamangalam, Kunnathunadu, Aluva, Kodungalloor, Paravoor | Spillway | Ogee type, 4 Nos. radial gates, each of size 11.5 x 9.7m |
| Year of completion | 1987 | Crest Level | 161.00 m |
| Name of Project | Idamalayar HEP | River Outlet | 2 Nos., Disperser valve |
| Purpose of Project | Hydro Power ( Primary) | Officers in charge & phone No. | Executive Engineer, Dam Safety Division No. III, Idamalayar PIN-686681 Phone – 9446008426 |
| Installed capacity of the Project | 75 MW | Assistant Executive Engineer, Dam Safety Sub Division, Idamalayar PIN- 686681 Phone-9496011977 | |
| Project Identification Code ( PIC) | KL29VH0036 | ||
| Idamalayar project is a low head Hydro Electric Scheme located in Ernakulam District of Kerala State. The river Idamalayar is a major tributary of Periyar originating from the Anamala Hills at about elevation 2520 m meeting Periyar at about 1.65km upstream of Bhoothathankettu barrage of Periyar Valley Irrigation Scheme. The Project got importance because of its multipurpose utility towards irrigation, industrial and domestic water supply and salinity control in the lower reaches of Periyar simultaneously with power generation. |
Idamalayar