DATABASE OF ICAR-CIFRI
| Sl No. | Parameter | Value |
|---|---|---|
| Reservoir Name | Willington | |
| Type of Reservoir | Large | |
| location | Collie | |
| Latitude & Longitude | 11°20’N & 79°00’E | |
| Date of Commissioned | 1959 | |
| District | South Arcot | |
| State | Tamil Nadu | |
| Period of Information | Data not found | |
| Purposes | Irrigation purpose | |
| Controlling Authority | Water supplies under a single authority | |
| River System | Periyaodai | |
| Area | 25,000 acres | |
| Area at FRL | 462 hectares | |
| Capacity | 35 gigalitres | |
| Catchment Area | 12950 | |
| Catchment Reservoir Area | 7.0 km | |
| Mean Depth | 4.17 m | |
| Gross Storage Capacity | 3,330 million litres | |
| Live Storage Capacity | 73.40 Mcum | |
| Others | period 1913-23Basin VellarGross capacity at FRL M.cu.m73.4Water area at FRL (ha)1554Catchment FRL (C/A)8.3Morphoedaphic index (MEI)10.62Mean depth (m)4.17GPP (mgC/m3/hr) 78.1NPP (mgC/m3/hr) 39.1Respiration (mgC/m2/day) 46.9Av. GPP (mgC/m2/day) 343.5Net:Gross 0.50P:R 1.67 Area : MediumDepth : ShallowWater retention : SeasonalWater flow : FluviatilePrimary production : MediumFish yield : Low |