Kovvadacalva Reservoir Project
Preamble
The Project Constructed across Kovvada calva near L.N.D peta of Polavaram Mandal. The scheme also contemplates drinking water facility to 15 Villages enroute the canal benefiting a population of 35,000.
Salient Features
| Location | : | LND Peta (V) in Polavaram (M) of W.G. District |
| Longitude | : | 81° 30' 36'' N |
| Latitude | : | 17° 12' 00'' N |
| Dependable yield (75%) | : | 28.00 M. Cum (989 M.Cft.) |
| Upper utilization | : | 1.13 M. Cum (40 M.Cft) |
| Required Demand | : | 25.93 M. Cum (916 M. Cft) |
| Live Storage | : | 0.408 TMC |
| Max. Flood discharge | : | 630.30 Cumec (22,259 cusecs) |
| F R L | : | 90.50 M (296.93 Feet) |
| Crops | : | Khariff only |
| Max discharge in the canals | ||
| i) Left Canal | : | 5.50 Km , 0.72 Cumecs (25.42 Cusecs) (Ayacut 7249 Acres) |
| ii) Right canal | : | 10.037 Km, 1.761 Cumecs (62.19Cusecs) (Ayacut 10490 Acres) |
| Length of Earth Dam (Excluding Spillway portion) | : | 1630 M (5347.77 ft) |
| Max,. Height | : | 22.04 M (72.31 ft) |
| Length of spillway | : | 35.5 M (116.47 ft) with 3 Nos. radial gates of size 10 m X 6 m |
| Catchment Area | : | 111.37 Sq.Km |
| Dead Storage | : | 27.06 (M.Cft) (0.027 TMC) |
| MDDL | : | +81 M |
| Contemplated IP | : | 17,739 Acres |
| Present Stage | : | Ongoing |