

Common Effluent Treatment Plants
RISPL provides environmental clearance consultancy services to all new CETP projects including expansion and modernization require prior environmental clearance. All the projects irrespective of the capacities are classified into Category B
The Notification covers treatment plants which serve different industries not in the same premises for common/combined wastewater. The Notification excludes ETPs serving different production units within the same individual industry premises, which are integrated to operation.
Besides there are general conditions, when it applies, a Category B project will be treated as Category A project. It also covers sludge handling, discharging pipeline and disposal point studies. It covers combined wastewater treatment plants i.e ., CETPs accepting sewage also along with industrial effluents for better treatability. For clarity, any treatment plant having more than 10% of industrial contributions by volume shall be treated as a combined treatment plant.
In case of Expansion or Modernization of the developmental Activity :
Any developmental activity, which has an EIA clearance (existing project), when undergoes expansion or modernization (change in process or technology) with increase in production capacity or any change in product mix beyond the list of products cleared in the issued clearance is required to submit new application for EIA clearance.
Any developmental activity, which is listed in Schedule of the EIA Notification and due to expansion of its total capacity, if falls under the purview of either Category B or Category A, then such developmental activity requires clearance from respective authorities.