Central Ground Water Board

Ministry of Water Resources
Government of India

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State Profile

State Profile
Ground Water Scenario of Goa

Area (Sq.km)

3,702

Rainfall (mm)

1999

Total Districts / Blocks

2 districts /12 Blocks

Hydrogeology

The state is covered by rocks of Dharwar Super group and a small patch of Deccan basalts are overlain by quaternary alluvium. Ground water occurs under unconfined and semi-confined conditions in beach sands, laterites and weathered and fractured crystalline rocks. The yield prospects of ground water are in general more than 108 m3/hr in alluvium and less than 36 m3/hr in other formations.

Dynamic Ground Water Resources

Annual Replenishable Ground water Resource

0.28 BCM

Net Annual Ground Water Availability

0.27 BCM

Annual Ground Water Draft

0.07 BCM

Stage of Ground Water Development

27 %

Ground Water Development & Management

Over Exploited

NIL

Critical

NIL

Semi- critical

NIL

Ground Water User Maps

2 districts

Artificial Recharge to Ground Water (AR)

  • Area identified for AR: 3701 sq. km.
  • Quantity of Surface Water to be Recharged: 529 MCM
  • Feasible AR structures:  1410 Check Dams/KT Weirs,
  • 10,000 RWH in Urban Areas

 

Ground Water Quality Problems

Contaminants

Districts affected (in part)

Iron (>1.0 mg/l)

North Goa, South Goa

Nitrate  (>45 mg/l)

North Goa

 

Enactment of Ground Water Bill to regulate and control the development of ground water: 
The “Goa Ground Water Regulation Act, 2002” has been enacted by the State Legislature on 25.01.2002 and come into force on 17.03.2003.

Inclusion of Roof Top Rain Water Harvesting (RTRWH) in building by laws:
PWD, Goa has been asked to take up RWH structure for Government buildings. The PWD, Goa is studying various designs of roof top RWH for taking up other existing/new coming up large Government buildings.

Central Ground Water Authority

Areas Notified for Regulation of ground water development

NIL

Mass Awareness Programme (as on 31.03.2010)

1

Water Management Training Programme (as on 31.03.2010)

1

 
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