Central Ground Water Board

Ministry of Water Resources
Government of India

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State Profile

State Profile
Ground Water Scenario of Jharkhand

Area (Sq.km)

79,714

Rainfall (mm)

917

Total Districts / Blocks

18  districts

Hydrogeology

The state is underlain by variety of rock formations from Pre-Cambrian to recent age. A major part of the state is underlain by formations comprising of granites, granite gneisses, meta- sedimentaries and a variety of volcanic rocks. The volcanic formation represented by Rajmahal traps are exposed as patches in a linear fashion in the north-eastern part. The sediments belonging to Vindhayan system are seen exposed in the north- western part of the state. The lateritic capping is invariably seen in the south western part. Recent alluvial formations are mostly confined to the valleys along major rivers of the state. The ground water exploration   has revealed presence of 3 to 4 potential fractured zones at variable levels within a depth of 200 m from the ground level. The discharge of the exploratory wells is highly variable ranging between 3.6 to 54 m3/hr. In some of the pockets higher discharge wells has also been constructed.

Dynamic Ground Water Resources

Annual Replenishable Ground water Resource

5.58 BCM

Net Annual Ground Water Availability

5.25 BCM

Annual Ground Water Draft

1.06 BCM

Stage of Ground Water Development

20 %

Ground Water Development & Management

Over Exploited

NIL

Critical

NIL

Semi- critical

NIL

Ground Water User Maps

22 districts

Artificial Recharge to Ground Water (AR)

  • Area identified for AR: 2450
  • Quantity of Surface Water to be Recharged: 546 MCM
  • Feasible AR structures:  500 Nala Bunds, 336 Revival of Kandi Ponds, RWH in Urban Areas for 1.5 Lakhs houses.

 

Ground Water Quality Problems

Contaminants

Districts affected (in part)

Fluoride (>1.5 mg/l)

Bokaro, Giridih, Godda, Gumla,  Palamu, Ranchi

Iron (>1.0 mg/l)

Chatra, Deoghar, East Singhbhum, Giridih, Ranchi, West Singhbhum

Nitrate  (>45 mg/l)

Chatra, Garhwa, Godda, Gumla, Lohardega, Pakur, Palamu, Paschimi Singhbhum, Purbi Singhbhum, Ranchi, Sahibganj

Enactment of Ground Water Bill to regulate and control the development of ground water: 
The draft Bill to regulate and Control the Development and Management of ground water is in the last stage of approval.

Inclusion of Roof Top Rain Water Harvesting (RTRWH) in building by laws:

The State Government has initiated action for construction of RTRWH structures in Government/Public buildings in a phased manner. A promotional scheme has also been started for awareness of protection of ground water and artificial recharge by grant of Rs. 25000/- for construction of artificial recharge structures. Ranchi Regional Development Authority (Jharkhand) has made Building Bye-laws for RWH.

 

Central Ground Water Authority

Areas Notified for Regulation of ground water development

NIL

Mass Awareness Programme (as on 31.03.2010)

7

Water Management Training Programme (as on 31.03.2010)

8

 
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