PENNA AHOBILAM BALANCING RESERVOIR (DR. KS. P.A.B.R)
Preamble
The Penna Ahobilam Balancing Reservoir is located across River Pennar near Korrakodu (v), Kuderu Mandal, Ananthapuramu District. It is intended to store 11.10 T.Mcft. to provide irrigation facilities to 1.00 lakh acres (50,000 Acres under P.A.B.R. Right Canal and 50,000 Acres under Yadiki Canal System). In addition, it is intended to feed tanks enrout P.A.B.R. Right Canal and driking water facility to the Chronically drought prone upland areas in Ananthapuramu District.
Salient Features
| Location | : | |
| Latitude | : | 14° 47' 26" N |
| Longitude | : | 77° 17' 57" E |
| Catchment area | : | 6165 Sq.Km(2420 Sq.Miles) |
| Deep river bed level | : | 400.0 m |
| Deepest foundation level | : | 399.5 m |
| Maximum Flood Discharge | : | 4596 Cumecs |
| F.R.L. | : | 443.000 m |
| Top Level of Dam | : | 446.0 m |
| Gross capacity at F.R.L. | : | 11.100 TMCft |
| Live storage at F.R.L | : | 10.740 TMCft |
| Water spread area at F.R.L | : | 27.56 M.Sq.m(296.5 M.Sq.ft) |
| Length of Spillway | : | 101.44 m |
| Total length of dam | : | 1920 m |
| Crest level of spillway | : | 434.34 m(1424.6') |
| No. and size of spillway gates | : | 101.44 m |
| Sill level | : | 423.000 m |
| Power generation | : | 2 Units of 10 MW each Kaplan Turbines 15400 B.H No.s 10 MW each |
Irrigation potential:
It is intended to provide irrigation facilities to 1.01 lakh acres (50,000 Acres under P.A.B.R. Right Canal in addition to stabilization of ayacut 7,500 acres under tanks enroute and 51,600 Acres under Yadiki Canal System).
| Mandals benefited | : | 6 Nos. Kuderu, Atmakuru, Rapthadu, Dharmavaram, Bathalapalli, Tadimarri. |
| Components | : | |
| Main Canals | : | 1 No. |
| Branch Canals | : | 2 No. |
| (a) Dharmavaram Branch Canal (DBC) | ||
| (b) Pappuru Branch Canal (PBC) |
| Details Of The Canals | P.A.B.R Rt. Canal | D.B.C | P.B.C |
| Length | 112.00 Km. | 30.98 Km | 8.75 Km |
| Head Discharge | 821 Cusecs | 105 Cusecs | 50 Cusecs |
| Ayacut in Acres | 38,600 Acres | 6,400 Acres | 5,000 Acres |
| Cropping Pattern | Rabi (I.D) | Rabi (I.D) | Rabi (I.D) |
Status:
Dam : All the Dam works are almost completed except erecting of Gantry Crane and certain rehabilitation works (Drilling and Grouting to prevent leakages). An amount of Rs. 13.50 Crores is necessary to complete the above works.
PABR Right Canal :
The PABR Right Canal has been taken up in 1978 to provide irrigation facilities to an extent of 50,000 Acres to serve in Kuderu, Singanamala, Anantapur, Raptadu, Dharmavaram and Tadimarri Mandals of Ananthapuramu District in addition to stabilization of ayacut of 7,500 acres under tanks enroute.
Longitude : 77° 17' 57'' E
Latitude : 14° 47' 26'' E
Contemplates irrigation facilities to an extent of 5000 acres to serve 7 mandals in Ananthapuramu district in addition to stabilization of ayacut of 7500 acres under M.I tanks.
The works are almost completed except distributory network. It is estimated that Rs. 20.00 Crores is necessary for physical completion of all balance works to provide contemplated benefits.
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