A global ban on the dumping of sewage sludge at sea is a step closer, following the submission to IMO of a proposal to amend the 1996 London Protocol on the prevention of marine pollution by the dumping of wastes. Sewage sludge is a waste that currently may be considered for dumping at sea under both the London 1996 Protocol and its precursor 1972 Convention. In the past, a substantial number of States permitted the dumping of this waste at sea.
Under the London Protocol all dumping is...
https://www.marineinsight.com/shipping-news/ban-on-disposal-at-sea-of-sewage-sludge-proposed/