Water stress in India

Published on 02 Feb 2025

Water stress refers to a situation where the demand for water exceeds the available water resources in a particular region or when the available water is of insufficient quality. Water stress is often used to assess the sustainability of water use in a given area and to understand the potential risks associated with water scarcity.

Reasons for water stress

• Population growth: India has a rapidly growing population, leading to increased demand for water for domestic, agricultural, and industrial purposes.

• Example: Delhi has experienced rapid population growth, leading to increased water demand for domestic use.

• Agriculture water usage: Traditional irrigation methods and inefficient water use contribute to high agricultural water demand.

• Example: Punjab, known as the "Granary of India," relies heavily on irrigation for agriculture.

• Climate variability and change: Irregular rainfall patterns, increased temperatures, and changing precipitation impact water availability.

• Example: Maharashtra experiences irregular monsoons, leading to drought conditions in certain years.

• Over extraction of groundwater: Excessive extraction of groundwater for irrigation, industrial, and domestic purposes without adequate recharge leads to declining groundwater levels.

• Example: The agricultural regions of Punjab and Haryana witness excessive groundwater extraction for irrigating crops, particularly during the dry season.

• Poor water management practices: This includes wastage, lack of water conservation measures, and inadequate infrastructure for water supply and distribution, which contribute to water stress.

• Example: In parts of Uttar Pradesh, inefficient irrigation practices, including open canal systems with high water losses, contribute to poor water management.

• Urbanization and industrialization: Rapid urbanization and industrial growth increase water demand in urban areas. Industrial discharge and untreated sewage further contribute to water pollution.

• Example: The rapid urbanization and industrial growth in Bengaluru have increased water demand.

• Lack of integrated water resource management: Insufficient coordination and integrated planning among different sectors (agriculture, industry, and domestic) contribute to suboptimal water resource management.

• Example: In the Godavari River basin, insufficient coordination among different states sharing the river leads to competing water demands for irrigation, industry, and domestic use.

Impacts of water stress

• Agriculture productivity decline: Insufficient irrigation due to water stress can result in crop failures, food shortages, and increased economic stress on farming communities.

• Example: In parts of Maharashtra, India, water stress during the critical growing periods has led to decreased yields of sugarcane and other crops, impacting the income of farmers.

• Food insecurity: Water stress contributes to food insecurity as it limits the ability to grow sufficient crops to meet the demands of growing populations.

• Example: The Bundelkhand region, spanning parts of Uttar Pradesh and Madhya Pradesh, faces water stress, contributing to food insecurity.

• Deterioration of ecosystems: Reduced water availability affects natural ecosystems, leading to habitat loss, degradation, and declines in biodiversity.

• Example: Yamuna River in Delhi experiences pollution and reduced flow during low-flow periods, negatively impacting aquatic ecosystems and biodiversity.

• Drinking water scarcity: Water stress directly affects the availability of clean drinking water, leading to reliance on contaminated water sources, which can result in waterborne diseases and public health crises.

• Example: Latur, a city in Maharashtra, faced acute drinking water scarcity during a severe drought.

• Conflict over water resources: Competition for limited water resources can escalate into conflicts between different user groups, communities, or even nations.

• Example: The Cauvery River dispute between Karnataka and Tamil Nadu highlights tensions over water sharing, leading to conflicts and legal battles between the two states.

• Energy production constraints: Water stress affects the operation of hydroelectric power plants, reducing electricity generation capacity and thermal power plants, which require water for cooling. 

• Example: Reduced water availability in the Bhakra-Nangal reservoir during droughts affects hydropower generation, impacting electricity supply to states like Punjab and Haryana.

• Migration and displacement: Water stress can contribute to migration as people move in search of better water availability and livelihood opportunities.

• Example: Water stress in parts of Odisha, coupled with cyclones and sea-level rise, has contributed to the displacement of coastal communities.

Tags:
Geography

Keywords:
Water stress in India water resources Reasons for water stress Impacts of water stress

Syllabus:
General Studies Paper 1

Topics:
Resources Distribution