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Water Resources Scenario

The document provides an overview of India's water resources, highlighting that the country has approximately 4% of the world's fresh water resources despite housing around 18% of the global population. It discusses various issues such as rainfall variability, groundwater usage, inter-state river disputes, and the challenges in the irrigation sector. Additionally, it presents projections for water demand and availability up to 2050, emphasizing the need for improved water management and efficiency.

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HRISHABH SRIVASTAVA
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23 views9 pages

Water Resources Scenario

The document provides an overview of India's water resources, highlighting that the country has approximately 4% of the world's fresh water resources despite housing around 18% of the global population. It discusses various issues such as rainfall variability, groundwater usage, inter-state river disputes, and the challenges in the irrigation sector. Additionally, it presents projections for water demand and availability up to 2050, emphasizing the need for improved water management and efficiency.

Uploaded by

HRISHABH SRIVASTAVA
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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07-01-2025

Government of India
Ministry of Jal Shakti
Department of Water Resources,
River Development & Ganga Rejuvenation

1
07-01-2025

India’s Share in World Resources

~ 2.4% Geographical Area


~ 18% Global Population

~ 4% Fresh Water Resources


~ 18% Global Livestock

Spatial & Temporal Variation of Precipitation

25 23.76

19.89
20

15.42
15 14.19
Percent

10
7.69
6.03
5 3.46 3.45
2.12 1.42
1.24 1.33
0

Rainfall (mm)
Annual 1180
Monsoo
890
n
Mawsynram,
Max. 11,000
Meghalaya

Source: IMD
Western
Min. 100
Rajasthan

2
07-01-2025

Water Resources Issues

Rainfall 100 to 10000 mm

Impact of
Climate
Change on
Water
Resources

3
07-01-2025

Inter State River Water Disputes

River Water
Quality

4
07-01-2025

EPI – Clen
Water &
Sanitation

Ground Water

India is world’s
Largest User of
Ground Water

Over 25 Million
Irrigation Wells

Every Fourth
Cultivator Owns
Irrigation Well

5
07-01-2025

Water Availability & Demand


1180 BCM

3729
843 BCM
710 BCM

78% 72% 68%


2116

2010 2025 2050


Precipitation Received
1126
Irrigation Sector
Water Resources Potential

695 Utilizable Water Resources

Values in BCM Actual Utilization

Per Capita Water Availability

6000
Annual Per Capita Availability (m3)

5177
5000 Water Stress Line
1700 cu. m. per person per
year
4000
Water Scarcity Line
1000 cu. m. per person per
3000 year
2200
2000 1820
1545
1340 1140
1000

0
1951 1991 2001 2011 2025 2050
World’s average per capita water availability
5850 m3

6
07-01-2025

Water Demand by 2050


Others
Energy 9%
6%
Industry
7%

Water Demand
1180 BCM 450 MT
Drinking 10% (2050)
Water
300 MT
68% (2020) Food Grain Demand

Irrigation (807 BCM)


Average Annual Utilizable Water – 1126 BCM

Irrigation Sector - Challenges

• Gap in Irrigation Potential


Irrigation Potential in Mha Created & Utilized (~15%)
• Low Water Use Efficiency
(~36%)
139.9
112 98
• Low values of productivity
- Average Delta for Paddy: 980 mm
Gross Irrigation Gross Irrigation Gross Irrigation at FAO estimated Delta: 450-700
Potential Potential Created Present mm
- Average Paddy Produce: 3.6 t/ha
World Average: 4.5 t/ha

7
07-01-2025

Total Dam Storage


841.51 830.46
801.54
735.87
700.44

247.46

77.79

Australia Brazil Canada China India Russia USA


Storage Created (BCM)

Dam Storage per Capita


22054.92

5523.97

3000.88 3268.08
2183.6
569.61 175.81

Australia Brazil Canada China India Russia USA


Storage Created per Capita (m3/ person)

8
07-01-2025

Thank You

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