Decentralized approaches can complement conventional treatment systems with its simple designs; low maintenance costs, non-dependence on energy, adaptability to varying loads providing on-site treatment solutions. Moreover the infrastructure can be implemented incrementally.
A master plan approach to sanitation can help local governments by identifying grey areas which are not served by centralized sewerage system and find appropriate solutions for those areas. The key advantage of master planning is that it takes a holistic approach and gives short term solutions such as on site treatment and long term solutions such as policy initiatives for new developments.
Kolhapur Municipal Corporation has amended its Development Control Regulations making decentralized waste water treatment systems compulsory for large developments based on our recommendations