India, March 29 -- A survey of rainwater harvesting pits in Dwarka's societies found that nearly two-thirds (65.3%) of all samples analysed had traces of faecal coliform in water, according to findings submitted to the National Green Tribunal (NGT) by the Delhi Jal Board (DJB).

Further, RWH pits in four societies were found to be non-functional, while the pit was found dry in 25 societies. This means that only 32 of the 176 samples, or 18% of all sites, did not contain faecal coliform matter.

DJB officials said directions have been issued to both the revenue department and the DPCC to initiate corrective actions and impose penalties.

The presence of faecal coliform bacteria indicates contamination of a waterway with the faecal material...