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Sewage pump out statistic
John wrote:
Gordon wrote: Victoria, Canada, pumps 19 million gallons of raw sewage intp the Straits of Juan de Fuca every single day. That has to convert to the whole continent of asia! Gordon This 'raw sewage' is actually mostly 'grey water'- from showers and sinks, but no matter. Let's put some numbers to this to reduce the hysteria level a bit. Opposite the CloverPoint outfall in Victoria, the Strait is about 20km wide. Let's use .5 km as the depth of the strait. On an average day, outgoing tide, there's a 3kt or so tidal current in the strait. Let's say 5 km/hr. So in one hour, during ebb tide, about 50 cubic kilometers of water pass the outfall (which is well offshore, in deep water). Let's convert that sewage number into cubic kilometers. 20 million gallons (Imperial) is about 100 million liters, or 100,000 cubic meters, or about .0001 cubic kilometers. Even if all the daily 'raw sewage' were dumped in one hour, the contribution to the total outflow in the Strait would be negligable. Many scientific studies have shown that additional treatment of sewage from Victoria is unnecessary and a waste of money. We've got hundreds (thousands?) of people living on the streets here, people are dying on stretchers in hallways in our hospitals, and the enviro-wingnuts want to waste money on a $500 million sewer rebuild. It works for me! John (in Victoria) Halifax puts out approx 135 million liters of untreated sewage a day. http://myweb.dal.ca/harbour/current.html This will all change when our new treatment plants are up & running. http://myweb.dal.ca/harbour/harboursolutions.html |
#12
posted to rec.boats.cruising
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Sewage pump out statistic
You're taking the fun out it, John!
Next, you'll claim global warming is a bunch of huey! (which it is but that's beside the point!) Gordon "John" wrote in message oups.com... Gordon wrote: Victoria, Canada, pumps 19 million gallons of raw sewage intp the Straits of Juan de Fuca every single day. That has to convert to the whole continent of asia! Gordon This 'raw sewage' is actually mostly 'grey water'- from showers and sinks, but no matter. Let's put some numbers to this to reduce the hysteria level a bit. Opposite the CloverPoint outfall in Victoria, the Strait is about 20km wide. Let's use .5 km as the depth of the strait. On an average day, outgoing tide, there's a 3kt or so tidal current in the strait. Let's say 5 km/hr. So in one hour, during ebb tide, about 50 cubic kilometers of water pass the outfall (which is well offshore, in deep water). Let's convert that sewage number into cubic kilometers. 20 million gallons (Imperial) is about 100 million liters, or 100,000 cubic meters, or about .0001 cubic kilometers. Even if all the daily 'raw sewage' were dumped in one hour, the contribution to the total outflow in the Strait would be negligable. Many scientific studies have shown that additional treatment of sewage from Victoria is unnecessary and a waste of money. We've got hundreds (thousands?) of people living on the streets here, people are dying on stretchers in hallways in our hospitals, and the enviro-wingnuts want to waste money on a $500 million sewer rebuild. It works for me! John (in Victoria) |
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