Dimna Lake was constructed and owned by TATA Steel. It covers about 5.5 square kilometers. Around 1,861 acres were acquired under the Land Acquisition Act of 1894 for the dam  The Lake is the only source of drinking water for Jamshedpur town. During the monsoon, the reservoir gets filled up in the rain water. In another time if the water fall below a certain level the water is pumped from Subarnarekha Dam in Chandil .
|Type of population||Rural|
|Affected Population:||10,000-20,000 (2,000 families)|
|Start of the conflict:||1942|
|Company names or state enterprises:||Tata Steel from India|
|Relevant government actors:||Government of India, Subarnarekha Multipurpose Project|
|Environmental justice organizations (and other supporters) and their websites, if available:||Jharkhand Mukti Vahini, Local Villagers |