Lonar Lake Water Surges 20 Feet; Bombay HC Registers PIL Over Threat

Concern is mounting over a sharp and sustained rise in the water level of Maharashtra’s iconic Lonar Lake, a globally significant geological site formed by a meteorite impact nearly 50,000 years ago. Authorities and scientists have raised alarms after reports indicated that the lake’s water level has increased by nearly 15 to 20 feet over the past few months.

The unusual rise has been observed since September last year and is believed to be the result of continuous inflow from four major perennial freshwater springs located around the crater. These springs, which feed into the otherwise saline and alkaline lake, have reportedly intensified due to changes in rainfall patterns and underground water movement, leading to a steady accumulation of water.

Taking serious note of the situation, the Nagpur Bench of the Bombay High Court has ordered the registration of a Public Interest Litigation (PIL) to examine the potential ecological and structural risks posed by the rising water. The court has sought detailed reports from district authorities, environmental experts, and state agencies to assess the impact on the lake’s fragile ecosystem and surrounding settlements.

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Lonar Lake, located in Maharashtra’s Buldhana district, is the only known hypervelocity meteorite impact crater formed in basaltic rock anywhere in the world. It has long been a subject of international scientific research, attracting geologists, ecologists, and space scientists due to its unique chemistry, biodiversity, and historical significance.

Environmentalists have warned that the rising water could submerge rare plant species, disrupt microbial life unique to the lake, and damage ancient temples situated along the crater’s rim. In recent years, the lake has already witnessed dramatic colour changes—turning pink and green at different times—attributed to shifts in algae and salinity levels.

Local administration officials have begun monitoring water levels closely, while experts have called for an urgent scientific study to determine whether the rise is a temporary hydrological fluctuation or a long-term phenomenon linked to climate change and groundwater recharge. The outcome of the PIL is expected to shape future conservation measures for one of India’s most extraordinary natural landmarks.

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