RR Ispat
                    Sewage Treatment Plants (STPs)
                    
                        - This project is located in Raipur district of Chattisgarh state. The latitude and longitude of the STP is 21°18'55.73"N 81°36'52.28"E.
 
                        - The system has a capacity of 60 KLD.
 
                        - The plant receives wastewater from Municipal Nallah.
 
                        - The inlet wastewater has a BOD, COD and TSS of 125, 150 and 125 mg/L.
 
                        - A Passive Hybrid Sub-surface Flow was installed.
 
                        - The BOD, COD and TSS removal efficiency of the STP is greater than 98% throughout the year.
 
                        - The treated water is used for gardening.