SJPNL to adopt ozonation technology for drinking water treatment May 10, 2024 | Key Segments, Municipal Water Supply, News & Developments, Tech Focus, Water Supply The Shimla Jal Prabandhan Nigam Limited (SJPNL) will be adopting ozonation technology for the treatment of drinking water and ensure the supply of clean and safe drinking water to the residents of Shimla. This content is restricted.