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The problem in BC waters is that many places do not have the sewage systems to deal with the pumped-out sewage. A lot of small towns still have a long pipe that goes out into the water to discharge the towns sewage with no or minimal treatment.
A small marina on an island will only have a local septic tank and drain field for their own toilets. They cannot afford to install a pump out for the summer boats. Also, any chemicals that have been put into the holding tanks could kill the bacteria in the septic tank and stop its working.
If there are no pump-outs available, the official British Columbia instructions are to pump (dump) your holding tank in the middle of large salt water channels, while traveling at cruising speed. This dilutes the sewage in a large volume of water. This does NOT apply when in cities that have pump-outs. No dumping is allowed in marinas, 'no discharge zones' or small bays, or near shellfish beaches.
Remember that the more remote parts of BC only have tourist boats in the two or three months of summer. Except for large cities, boater sewage is not a big problem in BC.
A small marina on an island will only have a local septic tank and drain field for their own toilets. They cannot afford to install a pump out for the summer boats. Also, any chemicals that have been put into the holding tanks could kill the bacteria in the septic tank and stop its working.
If there are no pump-outs available, the official British Columbia instructions are to pump (dump) your holding tank in the middle of large salt water channels, while traveling at cruising speed. This dilutes the sewage in a large volume of water. This does NOT apply when in cities that have pump-outs. No dumping is allowed in marinas, 'no discharge zones' or small bays, or near shellfish beaches.
Remember that the more remote parts of BC only have tourist boats in the two or three months of summer. Except for large cities, boater sewage is not a big problem in BC.
I used to do some ocean sailing, fishing as we sailed.
When I thought I had hooked a huge (HUUGE) lunker,
it turned out to be a barnacle encrusted 8 x 10 carpet.
Amazed at the amount of flotsam all across the Atlantic.
The big concern was hitting a large container that had fallen
off a ship (had reports of same).
Even space in near earth orbits is full of crap, they say.
Aye.
PS: Grandpa used to say, "We have seen the enemy. It is us."
PS2: Bob, 5:7 odds MARPOL hasn't been around very long; a lot
of dumping before and in spite of.
When I thought I had hooked a huge (HUUGE) lunker,
it turned out to be a barnacle encrusted 8 x 10 carpet.
Amazed at the amount of flotsam all across the Atlantic.
The big concern was hitting a large container that had fallen
off a ship (had reports of same).
Even space in near earth orbits is full of crap, they say.
Aye.
PS: Grandpa used to say, "We have seen the enemy. It is us."
PS2: Bob, 5:7 odds MARPOL hasn't been around very long; a lot
of dumping before and in spite of.
"
So, no MARPOL has only been around for slightly over 40 years.....
But It has been a huge step in stopping some of the pollution.
Ships really causing major pollution has only been around about 100 years at the most...Titanic 1912! Weren't a lot of steamers before then polluting the oceans.
Although we have seen a lot of debris in the ocean--my fishing luck has been far better--on the other hand, I have been on a boat with an encounter with a container...
("MARPOL" is short for marine pollution and 73/78 short for the years 1973 and 1978.) MARPOL 73/78 is one of the most important international marine environmental conventions."
So, no MARPOL has only been around for slightly over 40 years.....
But It has been a huge step in stopping some of the pollution.
Ships really causing major pollution has only been around about 100 years at the most...Titanic 1912! Weren't a lot of steamers before then polluting the oceans.
Although we have seen a lot of debris in the ocean--my fishing luck has been far better--on the other hand, I have been on a boat with an encounter with a container...