Ọwa anwansi

Ọkpụkpọ anwansi bụ mgbanwe na-enweghị atụ nye onye na-ekewa mmanụ mmanụ (OWS), ma ọ bụ ngwa ihe mkpofu ndị ọzọ, nke na-enye ohere ịwepu mmiri mmiri na-ekpofu ihe megidere iwu mmetọ mmiri.  Mgbanwe akụrụngwa ndị dị otú ahụ nwere ike ikwe ka ọtụtụ narị puku galọn nke mmiri mmetọ wụpụ na-emetọghị ya, na-ebute oke mmetọ nke mmiri mmiri.

 Usoro aghụghọ 
Enwere ike ịmegharị ọkpọkọ ahụ, n'ime ụgbọ mmiri, site na hoses na nfuli dịnụ, iji wepụ mmiri mkpofu na-adịghị edozi ozugbo banye n'oké osimiri.  Dị ka ụgbọ mmiri na-achọrọ idekọ ndekọ nke mkpofu na ọgwụgwọ ya, ikpe anwansi na-agụnyekarị ịgha ụgha nke ndekọ ndị a. A na-akpọ ọkpọkọ ahụ "magic" n'ihi na ọ na-agafe ihe na-ekewa mmiri mmanụ nke ụgbọ mmiri ahụ ma na-aga kpọmkwem n'ụgbọ mmiri. N'ihi ya, ọ nwere ike ime ka mmiri a na-agwọghị agwọ "na-apụ n'anya". Ọtụtụ mgbe, enwere ike iwepụ ọkpọkọ ahụ n'ụzọ dị mfe ma chekwaa ya n'ebe dị iche n'ụgbọ mmiri ka ndị ọrụ steeti na ndị na-achịkwa ya ghara ịchọpụta ojiji ya. Ojiji nke ọkpọkọ anwansi na-aga n'ihu ruo taa, yana mgbalị iji melite ọgwụgwọ mmiri iji mee ka ojiji nke ọkụkụ anwansi ghara ịdị mkpa.

 Mmetụta iwu 
Na United States, ikpe anwansi na-adọta nnukwu ụgwọ maka ụgbọ mmiri, na ikpe ụlọ mkpọrọ maka ndị ọrụ. A na-emekarị ka ikpe ndị ahụ pụta ìhè site n'aka ndị na-afụ ụfụfụ, gụnyere ikpe nke afọ 2016 metụtara Princess Cruises, nke dugara na ụgwọ US $ 40 nde."The $40m 'magic pipe': Princess Cruises given record fine for dumping oil at sea". The Guardian. 2 December 2016. N'ọnwa Eprel afọ 2021, a mara onye injinia ụgbọ mmiri na Zao Galaxy, ụgbọ mmanụ, ikpe maka ịkpachara anya na-atụfu mmiri mmanụ na Febụwarị afọ 2019 ma nyefee akwụkwọ ụgha na mgbalị izochi mpụ ahụ. Injinia nwere ike ịnata nnukwu mkpọrọ na nra.  A tara onye ọrụ ụgbọ mmiri ahụ ntaramahụhụ US $1.65 million wee nye iwu ka ọ "mejuputa atụmatụ nnabata gburugburu ebe obibi zuru oke.".

Na usoro OWS ochie, a na-etinye ọkpọkọ na-agafe agafe na nkwado nchịkwa. A naghịzi etinye ọkpọkọ ndị a a kwadoro na ụgbọ mmiri ọhụrụ.

N'ọnọdụ ụfọdụ ihe mberede siri ike, a na-ahapụ ndị ọrụ ụgbọ mmiri ka ha kwapụ mmiri na-adịghị edozi n'ime mmiri, mana ha kwesịrị ikwupụta ihe mberede ndị a n'akwụkwọ ndekọ ụgbọ mmiri na akwụkwọ ndekọ mmanụ.  Mwepu edebanyeghị aha na-emebi nkwekọrịta njikwa mmetọ mba ụwa MARPOL 73/78.

 Ihe mkpali na ibu ọrụ 
Nsogbu a na-akawanye njọ site na enweghị akụrụngwa na mba ndị ka na-emepe emepe;  ụfọdụ ụlọ ọrụ nnabata ọdụ ụgbọ mmiri anaghị ekwe ka a na-agbapụta mmiri mmanụ n'ụzọ dị mfe ma na-akwụ ụgwọ nke ọma. Ndị ọrụ ụgbọ mmiri, ndị injinia, na ndị nwe ụgbọ mmiri nwere ike ịnata nnukwu ụgwọ na ọbụna mkpọrọ ma ọ bụrụ na ha anọgide na-eji ọkpọkọ anwansi emebi gburugburu ebe obibi.Kantharia, Raunek (24 October 2019). "Magic Pipe: The Mystery of the Illegal Activity Still Continues on Ships". Marine Insight. Bangalore, India.

N'ikwu ya n'ụzọ doro anya, ụfọdụ ndị injinia na-eji usoro njikwa ọkpọkọ anwansi n'ihi:

 Enweghị ọzụzụ
 Enweghị enyemaka n'akụkụ osimiri n'ihe gbasara ọgwụgwọ mmiri
 Enweghị mmasị n'ebe okpomọkụ dị n'oké osimiri.Kantharia, Raunek (24 October 2019). "Magic Pipe: The Mystery of the Illegal Activity Still Continues on Ships". Marine Insight. Bangalore, India.

Ihe mkpofu mmanụ na-esi na injin ụgbọ mmiri na usoro mmanụ ụgbọala. A chọrọ ka a wepụ ihe mkpofu ahụ mgbe ụgbọ mmiri nọ n'ọdụ ụgbọ mmiri ma ọ bụ gbaa ya ọkụ n'ime ọkụ ọkụ ma ọ bụ kpọga ya n'ụlọ ọrụ nchịkwa ihe mkpofu. N'oge ndị a na-adịghị ahụkebe, a pụrụ ịba mmiri n'oké osimiri mana ọ bụ naanị mgbe ihe fọrọ nke nta ka ọ bụrụ mmanụ niile kewara."The $40m 'magic pipe': Princess Cruises given record fine for dumping oil at sea". The Guardian. 2 December 2016.

 Hụkwa 

 Ụlọ ọrụ na-ahụ maka ụgbọ mmiri n'ụwa niile
 Marpol Ndepụta I Nkọwa zuru ezu nke Marpol 73/78
 Mmiri nkewa (n'ozuzu)
 Mmetụta mmanụ dị n'ime
 Ngwá ọrụ nlekota mbupụ mmanụ

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