Telangana groundwater levels fell 1.01 metre in one month as rainfall deficit hit 51%
GS3Economy · S&T · Environment · Security· Cropping patterns & irrigation· Prelims·
Groundwater depletion and rainfall deficit: a GS3 case study on urban water management and sustainability.
Why in news
The Telangana Ground Water Department reported a significant 1.01-metre drop in groundwater levels across three Municipal Corporations in one month due to a rainfall deficit of up to 51%.
Background
Groundwater levels dropped from 11.58 m bgl in September to 12.59 m bgl in October. The deepest level recorded was 22.88 m bgl in Kukatpally, while the shallowest was 2.35 m bgl in Shaikpet.
Facts for Prelims
- FactGroundwater levels in GHMC, CMC, and MMC areas fell by 1.01 metre in one month.
- Fact40 out of 46 mandals in urban limits recorded a rainfall deficit between 21% and 51%.
- FactThe deepest groundwater level of over 20 m bgl covers nearly 12% of the three Municipal Corporations.
- PlaceKukatpally recorded the deepest groundwater level of 22.88 m bgl.
- BodyHYDRAA (Hyderabad Disaster Response and Asset Protection Agency) is the body taking action against illegal groundwater extraction.
Prelims practice question
With reference to groundwater levels in Telangana Municipal Corporations, consider the following statements:
- Groundwater levels fell by 1.01 metre in one month due to a rainfall deficit of up to 51%.
- Kukatpally recorded the deepest groundwater level of 22.88 m bgl.
- The deepest groundwater level of over 20 m bgl covers nearly 25% of the three Municipal Corporations.
Which of the statements given above is/are correct?
- (a)3 only
- (b)1 and 2 only
- (c)2 and 3 only
- (d)1, 2 and 3
Show answer
Answer: (b) 1 and 2 only — Statements 1 and 2 are correct. Statement 3 is incorrect: The deepest level covers nearly 12% of the three Municipal Corporations.
For Mains
Q. Discuss the challenges of groundwater depletion in rapidly urbanizing regions of India and suggest measures for sustainable water management.
Dimensions to cover in your answer
- Urban-rural disparity: Rapid urban expansion and construction leading to excessive borewell penetration and aquifer depletion.
- Regulatory enforcement: Challenges in curbing illegal groundwater extraction near protected water bodies and lakes.
- Climate vulnerability: Impact of El Nino and erratic rainfall patterns on groundwater recharge cycles.
Keywords: Groundwater depletion · Rainfall deficit · Aquifer recharge · Urban water management · Sustainable extraction
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