Lankasagar project is constructed during 1968 across Kattaleru river a tributary of Krishna river near Adavimallela village of Penubally Mandal of Khammam District. The original cost of scheme is Rs.35.26 Lakhs for the proposed ayacut of 5100 acres. Subsequently during 1971-72 the FRL was raised by 1.22 m of which 0.61m with cement concrete and 0.61m with falling shutters in order to have an extra ayacut of 1500 acres and 750 acres.
Latitude | : | 17-09'-00" N |
Longitude | : | 80-40'-00" E |
Ayacut | : | 7350 Acres |
Catchment area | ||
Free | : | 61.76 Sq.miles |
Intercepted | : | 18.24 Sq.miles |
Total | : | 80.00 Sq.miles. |
Levels and capacities | ||
FRL | : | 118.260 M |
MWL | : | 118.870 M |
TBL | : | 120.700 M |
MFD | : | 30000 Cusecs |
Gross Capacity | : | 664.88 M.Cft. |
Net Capacity | : | 610.10 M.Cft. |
Dead storage | : | 54.78 M.Cft. |
Surplus Arrangements | ||
Spill Way | 146.40 M | |
Sluices | ||
Head Sluice | L.F | R.F |
Nos. | 4 | 4 |
Size of vents | 2'-6" x 3'-6" | 2'-6" x 3'-6" |
Sill levels | 113.385 M | 113.385 M |