After the preparation of the City Sanitation Plan (CSP) of Kochi, India, GIZ has initiated this intervention among others. The recommendation of the CSP was to make an inventory of waste water discharge from the households, its effect on water bodies, create a baseline data comprising mapping of nonpoint sources of pollution, water quality assessment, etc., and to implement intermediate measure such as household sanitation systems.
GIZ (2012): Pilot Initiatives at Rameshwaram-Kalvathy Canal at Kochi. Eschborn: Gesellschaft fuer Internationale Zusammenarbeit (GIZ)