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Odisha Hydro Power Corporation Ltd.

A Gold rated State PSU( A Govt. of Odisha Undertaking )

Powering Green Energy
Sh Hemant Sharma, IAS
Commissioner-cum- Secretary to Govt.,
Deptt of Energy, Chairman-cum-Managing Director,
OHPC Ltd.

Salient Features

LOCATION Long E 82° 45 ' to 82° 55 '
Lat. N 19°0 05 ' to N 19° 25 '
HYDROLOGY
Catchments area                                2630 Sq. Km.
Maximum annual rain fall 2345 mm
Minimum annual rain fall 1138 mm
Mean annual rain fall 1792 mm
Probable maximum flood 23030 Cu.M. / Sec.
RESERVOIR
Full reservoir level 642.00 m.
Maximum water level 643.00 m.
Minimum draw down level 625.00 m.
Live storage 1455.76 M. Cu.M.
Dead storage 851.94 M. Cu.M.
Gross storage 2307.70 M. Cu.M.
Water spread area at FRL 110.00 Sq.Km.
P.M.F. Inflow  27070 Cu.M.
D A M S : INDRAVATI DAM ( Masonry, Gravity Type )
Latitude 19° – 16’ N
Longitude 42° – 50’ E
Catchment 1153 Sq.K.M. 
Length overall 539 M
Length of Non-overflow sections 410 M.
Length of Spillway including piers 129 M.
Deepest bed level R.L. 600 M.
Dam Top level 645 M.
Width   7.5 M.
Maximum height of Dam 45 M.
Spillway Crest Level 629.5 M.
Radial Gate No. / Width x Height 7 / 15.00 x 12.5 M.
Capacity MWL EL 643 11,430 Cu.M./Sec.
Depletion sluices No./ Width x Height 4 / 2.00 x 3 M.
Sill Level of depletion sluice 610 M.
Discharge :  EL  643 555 Cu.M./Sec.
PODAGADA DAM (Homogenous Earth fill )
Latitude 19° – 14’ N
Longitude 82° – 49’ E
Catchment 389 Sq.K.M.
Length Overall 462 M.
Deepest Bed level 570 M
Dam Top Level 647 M.
Top Width 9.0 M.
Parapet height 1.0 M.
Maximum height above bed level 77 M.
Protection Upstream 0.6 m. Riprap over 0.3 m. Filter
Down stream Grass Turfing
Depletion Tunnel
Number / Diameter 1 / 6.2 M.
Sill Level  of depletion tunnel 590  M.
Discharge M.R.L 643 650 Cu.M./Sec.
KAPUR DAM ( Homogenous Earth Fill )
Latitude 19° – 6’ N
Longitude 82° – 47’ E
Catchment 60 Sq.K.M.
Length overall 537 M
Deepest bed level 582 M
Dam Top Level 646 M.
Top Width 9.0 M.
Parapet height 1.0 M.
Maximum height above bed level 64 M.
Protection Upstream 0.6 m. Riprap over 0.3 m. Filter
Downstream Grass turfing
MURAN DAM ( Masonry, Gravity Type )
Latitude 19° –6’ N
Longitude 82° – 46’ E
Catchment 1028 Sq.K.M.
Length, overall 590.9 M
Length of Non-overflow section 495.9 M.
Length of Spillway including piers 95 M.
Deepest bed level 580 M
Dam Crest level 645 M.
Width 7.5 M.
Maximum height of Dam above deepest foundation 65 M.
Spillway crest level 629.5 M.
Radial Gates Nos. / Width / Height 5 / 15.0 / 12.5 m.
Capacity 8,000 Cu.M. / Sec.
Depletion sluices No. / Width / Height 4 / 1.5 x 4 M
Discharge M.R.L. 643 M 588 Cu.M./ Sec.
Sill level of depletion sluice 595.230 M
DYKES ( Homogeneous Earth Fill )
  Dyke No. Height M. Crest length M.
Left 1 30 353
  2 20 320
  3 15 680
  4 20 160
Right 1 15 463
  2 20 146
  3 25 593
  4 15 535
Crest Level 646 m.
Width 7.0
Parapet height 1.0 m
Link channels Length m. Bed El.m.
Guntrukhal 1523 613.00
Kusumpadar 1550 620.0