Lower Nirar D00884

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Associated Relationships with Dam
Sl.No.Name
1Lower Nirar Reservoir
2Parambikulam Aliyar Major Irrigation Project

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Salient Features
AttributeValue AttributeValue
Name of the DamLower Nirar Dam Name of the ReservoirLower Nirar Reservoir
Nearest CityPollachi Catchment Area (Sq.km)37.2
DistrictCoimbatore Full Reservoir Level (m)1021.08
StateTamil Nadu Minimum Draw Down Level (m)---
Basin NameWest flowing rivers from Tadri to Kanyakumari Maximum Water Level (m)1021.08
RiverNirar Gross Storage Capacity at FRLFull Reservoir Level (MCM)7.76
Dam TypeEarthen / Gravity / Masonry Live Storage Capacity (MCM)4.93
Dam Status--- Dead Storage Capacity (MCM)---
PurposeHydroelectric,Irrigation Storage Capacity at MWL (MCM)---
Completion Year1982 Submergence Area /Reservoir Area (Th. Ha)0.052
Length of Dam (m) 188.97 Land affected - Total (Th Ha)---
Dam Height (m) 50.29 Land Affected - Culturable (Th Ha)---
Design flood (cumec) 1303.29 Land Affected - Forest (Th Ha)---
Type of Spillway Ogee Land Affected - Others (Th Ha)---
Length of Spillway (m) --- Number of Villages Affected---
Type of Spillway Gates OTHERS Number of the Families Affected - Total---
Number of Spillway Gates 3 Number of the Families Affected - SC---
Size of Spillway Gates (m X m) 11.5 x 7.5 Number of the Families Affected - ST---
Crest Level of Spillway 1013.58 Forest Plantation (Area in Th Ha)---
Commencement Year --- 
Total Volume Content of Dam (TCM) 80 
Spillway Capacity (cumec) 1303.29 
Seismic Zone Seismic Zone-III 
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