 The last study was done in 2007 by ISM-Dhanbad’s department of environmental science engineering under Impact of Coal Mining in Jharia Town.The study found its water was alkaline with a pH of 8.11, while cations and anions were greater than the limit prescribed by the World Health Organization.The local people and some politicians including members of Jharia Raj family started an agitation in 2013-14, which resulted in authorities sanctioning money for desilting, clean up and complete rehabilitation of lake with help of local mining company, Bharat Coking Coal.