The Tawi, the river that gives Jammu its identity, is today a channel to dispose of human waste, and little else.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/neglected-tawi
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/jammu-t
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-treatment-plants-stp
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solid-waste