Reduction of fish and aquatic
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Maintain regulated flows
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Full mitigation possible, but
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habitat
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frequently not
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acceptable
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because of large sacrifice of
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project accomplishments
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Reduction of stream flushing
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Release occasional flushing flows
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Mitigation method not proven to
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flows
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be
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worthwhile;
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Degree of
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environmental effect depends
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upon specific stream situation
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Changes of water quality
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Selective level reservoir outlets;
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Somewhat limited experience
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water aeration, if needed
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with selective level outlets
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indicates good prospects of full
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mitigation
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Excavation and waste disposal
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Project expenditures required to
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Satisfactory mitigation usually
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sites
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landscape sites
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possible without
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excessive
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expenditure
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Reservoir banks below maximum
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Minor areas may be developed for
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Degree of impact depends upon
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waterline
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beaches
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the specific reservoir site
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Abandoned construction facilities
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Construction clean-up
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Full
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mitigation
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possible;
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important only if not done
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Erosion scars from construction
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Principally by care of drainage
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Adverse effects can be reduced
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roads
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but not entirely eliminated with
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in reasonable cost
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Reservoir clearing waste disposal
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Controlled burning; marketing
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Temporary effect, usually minor,
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maximum amounts of wood
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but not entirely avoidable
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products
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