Coimbatore stares at groundwater stress in pre-monsoon period
Coimbatore district is experiencing a decline in groundwater levels during the pre-monsoon period, as indicated by data from the Tamil Nadu Water Supply and Drainage Board. Measurements show that groundwater levels are significantly deeper in May compared to January over the past five years. Experts highlight the impact of rainfall variability and urban pollution on groundwater recharge and quality.
- ▪Groundwater levels in Coimbatore have consistently declined during the pre-monsoon period over the last five years.
- ▪In 2024, groundwater was measured at 10.24 meters below ground level in May, compared to 9.48 meters in January.
- ▪Rainfall data shows fluctuations, with 2021 and 2022 experiencing peak rainfall, while 2023 saw a decline.
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Groundwater levels in Coimbatore district show a consistent pre-monsoon decline, with data from 38 observation wells of the Tamil Nadu Water Supply and Drainage Board (TWAD), located across the district, indicating reduced availability.Measurements recorded by the Tamil Nadu Water Supply and Drainage Board (TWAD) show that groundwater levels remain deeper in May, the pre-monsoon period, compared to January, the post-monsoon phase.In 2020, groundwater level was recorded at 14.62 metres below ground level (m BGL) in May, compared to 10.92 m in January. In 2021, it was 13.04 m in May and 9.32 m in January. In 2022, the levels stood at 11.61 m in May and 7.86 m in January.
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