Central Ground Water Board

Ministry of Water Resources
Government of India

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State Profile

State Profile
Ground Water Scenario of Manipur

Area (Sq.km)

22,327

Physiography

Four major units

  • Hills  
  • Eroded hills with flat land
  • Intermontane valleys 
  • Alluvial plains 

Drainage

Mainly drained by Meghna and Chindwin river and its tributaries.                                    

Rainfall (mm)

1927

Total Districts / Blocks

9 districts    34 Blocks, 29 GW assessment Units

Hydrogeology

The Manipur valley is underlain by a thin veneer of alluvial deposits, which is largely clayey in nature, underlain by rocks of Tertiary age. Ground water occurs under un-confined and confined conditions. Since the upper formations are mainly silty and clayey, open wells have poor yield prospects. However the deeper zone, consisting of sand stones of Tertiary age, forms good aquifers which are under confined conditions, Autoflow conditions are observed in Imphal where the yield of the tubewells vary from 0.5 to 4 m3/hr. The water bearing formations are not extensive. The quality of ground water is generally good.

Dynamic Ground Water Resources

Annual Replenishable Ground water Resource

0.38 BCM

Net Annual Ground Water Availability

0.34 BCM

Annual Ground Water Draft

0.002 BCM

Stage of Ground Water Development

0.65 %

Ground Water Development & Management

Over Exploited

NIL

Critical

NIL

Semi- critical

NIL

Ground water user maps

6 districts

Artificial Recharge to Ground Water (AR)

  • Feasible AR structures: 300 check dams, 500 weirs, 500 gabion structures, 300 rooftop harvesting, 150 development of springs

 


Ground Water Quality Problems

Contaminants

Districts affected (in part)

Iron (>1.0 mg/l)

Bishnupur, Thoubal

Enactment of Ground Water Bill to regulate and control the development of ground water: 
There is no over-exploitation of ground water resources in the state. As such, at present there is no need for such regulation in the state.

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)

NIL

Water Management Training Programme (as on 31.03.2010)

NIL

 
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