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pla:ts a:—:.«î r……:…:..‘ waste trea1entr”acies Although the heat input Îr011
these tv-c nonpower plant sauces Wi conne to increase, it will be a pro—
portionatel}f smaller part or" the total output of 480.77 bilh‘on Brus per
hour
from power plants and other industrial sources that is projected for the year
2000 because of the far greater relative increase in heat input expected from
power plants.
The ofcial conferees from the federal government and the four states sur—
rounding Lake Michigan concluded, on the basis of the evidence presented,
that although warming throughout the lake as a whole would not occur,
waste heat discharges from the increasing number of power plants might
Warm a large fraction of the inshoœ waters several degrees. Furthermore, the
interaction of two or more thermal plumes might intensity biological effects
more than anticipated. The conferees determined that a single large plant dis—
charging into a spawning ground or across a migratory route could dismpt
the balance of the affected species not just there, but throughout the lake.
They also agreed that an unknown percentage of aquatic organisms such as
adult sh, fish fry, and plankton would be killed by heat, physical damage, 01“
chemical poisoning when they passed through the cooling systems of the