Page 6 - Water Pollution Management - Silty Water - Environmental Impact
P. 6
How common is silt pollution?
UK Environment Agency
• Over 23% of rivers are at risk
from high levels of sediment
• In 2004 50% of rivers with salmon
action plans were at risk of
missing their egg deposition
targets
• In 2008 90% of trout spawning
beds studies contained enough
fine sediment from soil to kill 50%
of the eggs and larvae
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