Captain's Brief · Maritime Learning · 2 min read · Oct 18, 2026
Photo: LEE 003, CC BY 4.0, via Wikimedia Commons.
Oily Water Separator and MARPOL Annex I Bilge Discharge Rules
What is an OWS, and when can bilge water go overboard? Under MARPOL Annex I, only when every condition is met. Miss one and it stays on board. Know the rules before the next PSC visit. Source: MARPOL Annex I, IMO MEPC.107(49).
Download Maritime Match free on Google Play now: https://play.google.com/store/apps/details?id=ph.maritimematch.app
Also on the App Store: https://apps.apple.com/ph/app/maritime-match/id6809177839