Water levels in Barvi Dam, considered the lifeline of Thane district, have slightly declined this year compared to the same period last year. According to data recorded on May 25, the dam currently has a water level of 60.79 metres with a live storage of 109.51 million cubic metres, which is 32.31% of its total capacity.
On the same day last year, the dam had a water level of 60.88 metres and a storage of 110.70 million cubic metres, or 32.67% capacity. While the difference appears marginal, officials and experts say the trend raises concerns over possible water stress in the coming months due to changing weather conditions.
One of the major reasons behind the declining water level is the difference in weather patterns compared to last year. In 2025, pre-monsoon showers had arrived as early as May 13, leading to fresh inflow into the dam and helping maintain water levels. Cloudy weather and rainfall had also significantly reduced evaporation losses from the reservoir.
This year, however, there has been no sign of pre-monsoon rain even towards the end of May. Continuous heat and intense sunlight have increased evaporation from the reservoir, causing water levels to fall more rapidly.
Experts believe global climate change and the growing impact of El Niño are also contributing to the situation. According to weather analysts, active El Niño conditions this year could affect both the arrival and intensity of the monsoon. Unlike last year, when rainfall brought early relief in mid-May, dry and hot conditions continue to persist across the region.
With fears of delayed monsoon rains, rising temperatures, and fewer rainy days, authorities warn that the existing water stock may need to last longer than expected. Although the dam still holds over 32% water storage, officials say both the administration and citizens must begin using water cautiously to avoid shortages in the coming months.
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