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<br /> ELEVATION DIFFERENCE2 <br /> BETWEEN 1 % (100 . YEAR) FLOOD AND FLOOD BASE FLOOD <br /> FLOODING SOURCE PANELl HAZARD ZONE ELEVATION <br /> 10% 2% 0.2% FACTOR (FEET NGVD)3 <br /> (10. YEAR) (50. YEAR) (500 - YEAR) <br />Tri-Area Drainageway <br />Overflow Channel <br /> Reach 1 0863 -1.2 -0.2 0.2 010 A2 Varies - See Map <br />Big Thompson River <br /> Reach 1 0615, 0750 -2.0 -0.6 1.5 020 A4 Varies - See Map <br />Coal Creek <br /> Reach 1 0096 -1.0 -0.05 0.9 010 A2 Varies - See Map <br /> Reach 2 0096 -1.3 -0.05 0.9 015 A3 Varies - See Map <br /> Reach 3 0096 -1.8 -0.08 1.1 020 A4 Varies - See Map <br /> Reach 4 0096 -1.5 -0.05 1.0 015 A3 Varies - See Map <br /> Reach 5 0096 -1.2 -0.05 0.9 010 A2 Varies - See ~ap <br /> Reach 6 0096 -1.5 -0.05 1.0 015 A3 Varies - See Map <br /> Reach 7 0096, 0097 -1.2 -0.05 1.0 010 A2 Varies - See Map <br /> Reach 8 0097 -2.25 -0.09 1.1 020 A4 Varies - See Map <br /> Reach 9 0097 -3.0 -1.0 1.4 030 A6 Varies - See Map <br /> <br />1 Flood Insurance Rate Map Panel <br /> <br />'Weighted Average <br /> <br />lRounded to Nearest foot <br /> <br />FEDERAL EMERGENCY MANAGEMENT AGENCY <br /> <br />T <br />A <br />B <br />L <br />E <br />3 <br /> <br />WELD COUNTY, CO <br />(UNINCORPORATED AREAS) <br /> <br />FLOOD INSURANCE ZONE DATA <br />TRI-AREA DRAINAGEWAY OVERFLOW CHANNEL <br />BIG THOMPSON RIVER - COAL CREEK <br />