Colorado Floodplain Rules and Regulations
Colorado Floodplain Rules and Regulations
Colorado Floodplain Rules and Regulations
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Moving Forward - Floodways<br />
When floodways are to be delineated, FEMA<br />
<strong>and</strong> State mapping begun after January 14,<br />
2011 will use a 6-inch floodway surcharge<br />
criteria for new <strong>and</strong> revised stream reaches<br />
FEMA <strong>and</strong> State mapping not yet complete but<br />
begun before January 14, 2011 may use either<br />
surcharge criteria at local’s request – 6” is<br />
encouraged where feasible (not m<strong>and</strong>atory)<br />
Existing reaches that are not revised may<br />
continue to use the 1-foot surcharge
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