NUCLEAR ISSUES - The Negative Impact of Point Lepreau Cooling Water Intake on Bay of Fundy Life.
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The impact on local plankton, invertebrates and fish larvae is not restricted to the impact of discharged wastewater into the Bay of Fundy, the real impact is to marine life killed by heating in the intake system.
A survey of fish landings in the area, showed seriously decreased landings that suggested something was impacting the commercial fishery in the area. To determine the impacts of kills in heated intake water, an analysis of water use was carried out using data from various NB Power publications about Point Lepreau Nuclear.
Estimated volume of water entering the Bay of Fundy each day - Assume, on average, 160 billion tons of water enter the Bay of Fundy on each tide or 160,000,000,000 x 269.01278331309 = 43,042,048,000,000 gallons every day
Estimated water volume at Point Lepreau - Based on data obtained from NB Power’s website, the daily volume of water entering and passing through the cooling system at Point Lepreau is calculated as follows: 25.8 cubic meters per second equals 6,815,639 USLiquid gallons/second or 341,000 lgpm 341,00 lgpm x 1440/min/day = 491,040,000 USL gallons per day.
Estimated percentage of daily tidal water used by Point Lepreau cooling system - 43,042,048,000,000 divided by 491,040,000 = 1.14 percent daily.
At this rate, it takes approximately 88 days for Point Lepreau to use the equivalent of all tidal waters entering the Bay of Fundy and destroying all the life in their intake cooling water.
A survey of fish landings in the area, showed seriously decreased landings that suggested something was impacting the commercial fishery in the area. To determine the impacts of kills in heated intake water, an analysis of water use was carried out using data from various NB Power publications about Point Lepreau Nuclear.
Estimated volume of water entering the Bay of Fundy each day - Assume, on average, 160 billion tons of water enter the Bay of Fundy on each tide or 160,000,000,000 x 269.01278331309 = 43,042,048,000,000 gallons every day
Estimated water volume at Point Lepreau - Based on data obtained from NB Power’s website, the daily volume of water entering and passing through the cooling system at Point Lepreau is calculated as follows: 25.8 cubic meters per second equals 6,815,639 USLiquid gallons/second or 341,000 lgpm 341,00 lgpm x 1440/min/day = 491,040,000 USL gallons per day.
Estimated percentage of daily tidal water used by Point Lepreau cooling system - 43,042,048,000,000 divided by 491,040,000 = 1.14 percent daily.
At this rate, it takes approximately 88 days for Point Lepreau to use the equivalent of all tidal waters entering the Bay of Fundy and destroying all the life in their intake cooling water.