Central Ground Water Board

Ministry of Water Resources
Government of India

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State Profile

State Profile
Ground Water Scenario of Orissa

Area (Sq.km)

1,55,707

Physiography

Five physiographic units

  • The Coastal Plains  
  • The Northern Uplands  
  • The Erosional plains of Mahanadi valley
  • The South-Western Hilly Region
  • The Subdued Plateaus

Drainage

Mainly eight major river basins within the state, whereas the Indravati, Kolab, Machakund sub-basins forms part of Godavari river basin. Most of the major rivers flow in easterly and southeasterly.

Rainfall (mm)

1502

Total Districts / Blocks

30 districts, 314 Blocks

Hydrogeology

The State is underlain by diverse rock types ranging in age from Archaean to Recent. The State can be hydrogeologically sub divided into consolidated, semi-consolidated & unconsolidated formations. The consolidated formations include hard crystallines and compact sedimentary rocks whereas semi-consolidated formations include weathered and friable Gondwana sedimentaries and loosely cemented Baripada beds. The unconsolidated formations include laterites and recent alluvium. The yield of tubewells tapping granite gneisse ranges between 10-35 m3/hr whereas other consolidated formations, it ranges between 5-18 m3/hr. The yield of tubewells in semi-consolidated formations range between 20-115 m3/hr.

Dynamic Ground Water Resources

 

Annual Replenishable Ground water Resource

23.09 BCM

Net Annual Ground Water Availability

21.01 BCM

Annual Ground Water Draft

3.85 BCM

Stage of Ground Water Development

18 %

Ground Water Development & Management

Over Exploited

NIL

Critical

NIL

Semi- critical

NIL

Ground Water User Maps

30 districts

Artificial Recharge to Ground Water (AR)

  • Area identified for AR: 8095 sq km
  • Quantity of Surface Water to be     Recharged: 06 MCM
  • Feasible AR structures: 569 percolation tanks, 761 converted percolation tanks, 698 sub surface dykes, 809 nala contour bunds, 679 check dam weir, 1981 water spreading/ flooding structures, 668 induced recharge, 334 recharge shafts, RTRWH structures (1 lakh).

AR schemes completed during IX Plan: 3

Ground Water Quality Problems

Contaminants

Districts affected (in part)

Fluoride (>1.5 mg/l)

Angul, Balasore, Bargarh, Bhadrak, Boudh, Cuttack, Deogarh, Dhenkanal, Jajpur, Keonjhar, Suvarnapur

Iron (>1.0 mg/l)

Balasore, Bargarh, Bhadrak, Cuttack, Deogarh, J.Singhpur, Jajpur, Jharsuguda, Kalahandi, Kandmahal, Keonjhar, Khurda, Koraput, Mayurbhanj, Nayagarh, Puri, Rayagada, Sambalpur, Sundergarh, Suvarnapur

Nitrate  (>45 mg/l)

Angul, Balasore, Bargarh, Bhadrak, Bolangir, Boudh, Cuttack, Deogarh, Dhenkanal, Gajapati, Ganjam, J.Singhpur, Jajpur, Jharsuguda, Kalahandi, Kendrapara, Keonjhar, Khurda, Koraput, Malkangiri, Mayurbhanj, Nawapada, Nayagarh, Phulbani, Puri, Sambalpur, Sundergarh, Suvarnapur

Enactment of Ground Water Bill to regulate and control the development of ground water: 

Draft Bill namely, “Orissa Ground Water (Regulation and Control of Development and Management) Bill, 2006 to regulate exploitation of ground water is being finalized for obtaining approval of the Cabinet. To be enacted.
Inclusion of Roof Top Rain Water Harvesting (RTRWH) in building by laws:
To be included.

 

Central Ground Water Authority

Areas Notified for Regulation of ground water development

NIL

Mass Awareness Programme (as on 31.03.2010)

23

Water Management Training Programme (as on 31.03.2010)

17

 
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