It is a well known fact that Barges whether sailing or simply left idle, pollute the river an the ecology. If the owners fail to remove them of do away with them, the government must act with a heavy hand. This government lacks the political will to to anything good
http://timesofindia.indiatimes.com/city/goa/idle-barges-continue-to-pollute-zuari/articleshow/59935890.cms
PANAJI: With mining activities partly restored due to a cap on extraction and other factors, prospects appear bleak for barge transportation. The rusting vessels may continue to muddy up and pollute the Zuari river.
The bleak scenario at the barge and building yards appears to be beyond redemption. Antonio Mascarenhas, then expert member of the Goa Coastal Zone Management Authority, had remarked about the unhygienic conditions at the shipyards.