Page 99 - Swachhata Chronicles – Transformative Tales from India (eBook)

about 3 sqm per cum of pre and secondary is 25 per cent of the total amount approved
treated effluent is required. Settler/settler for GWM implementation under SBM-G
and Anaerobic Baffle Reactor (ABR)/ Phase-II.
sedimentation tanks/sedimentation drains/
The local administration and the engineers
sedimentation ponds, etc., can be used as
collected the necessary data, and
primary treatment modules.
conceptualized the project based on the
Typically, angular graded gravel is used as quantum of greywater generated, and
the bed material, with a depth of 0.5 m. To identified a suitable land. They prepared
limit clogging, the gravel should be clean designs and drawings, and obtained the
and free of fines. The water level in the necessary approvals from the ZP of Haveri
wetland is maintained at 5 to 15 cm below before the pilot project was commissioned.
the gravel surface to ensure subsurface
flow. Any native plant with deep, wide roots These initiatives also aided the works under
that can grow in the wet, nutrient-rich JJM, by ensuring the sustainability of water
environment is appropriate. Phragmites sources and wastewater management.
australis (reed) is a common choice because
RDW&SD conducted a special campaign
it forms horizontal rhizomes that penetrate
called ‘Swachha Grama, Swachha Parisara’
the entire filter depth.
in June 2020, focusing on IEC and HRD
The water level in the module is controlled activities, to educate rural communities
using a swivel pipe or baffle wall. During the about greywater usage in kitchen gardens.
maintenance of the module, the swivel pipe The campaign emphasized the advantages
can be turned down completely in order of water reclamation of water and reducing
to drain out the water or if the wastewater dependence on freshwater for non-potable
inflow has to be diverted. purposes.

Interventions by Rural Drinking Water The department is working towards the
and Sanitation Department (RDW&SD): prevention of water pollution and has
RDW&SD Karnataka took up initiatives to commissioned nature-based and cost-
address GWM under SBM-G Phase-II and effective engineered technologies such
ODF Plus initiatives. It gave in-principle as WSP, CWs, and sedimentation tanks
approval and released grants of Rs. 205 to reduce the pollution load on natural
crores to 4,464 GPs across the State, which water bodies.

utcome

The treatment system is currently functional
and effectively manages the greywater

generated in households and establishments.

Swachhata Chronicles: Transformative Tales from India 79