To manage the potential negative impacts of construction activities in the absence of effective ESC measures, Erosion Risk Assessments (ERAs) are conducted to guide the selection and placement of appropriate ESC practices on site. ERAs are recommended when:
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To manage the potential negative impacts of construction activities in the absence of effective ESC measures, Erosion Risk Assessments (ERAs) are conducted to guide the selection and placement of appropriate ESC practices on site.
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{{textbox|*the extent of land disturbance is greater than 10 ha and duration is longer than 30 days, or
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{{textbox|ERAs are recommended when:
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*the extent of land disturbance is greater than 10 ha and duration is longer than 30 days, or
*construction activities are planned in or near natural water features, or
*construction activities are planned in or near natural water features, or
*the site drains to [https://www.ontario.ca/laws/regulation/080230 species at risk] habitat}}
*the site drains to [https://www.ontario.ca/laws/regulation/080230 species at risk] habitat}}