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1 It) <0 -:t o ....J W Z <( a.. (/) z <5 J Colorado National Monument AREA NOT INCLUDED ~ ZONE X ZONEX JOINS PANEL 0460 ~ ~ ~ JOINS PANEL 0650 ZONE X City of Grand Junction AREA NOT INCLUDED ZONEX ) ZONE X LEGEND SPECIAL FLOOD HAZARD AREAS INUNDATED BY 100-YEAR FLOOD ZONE A No base flood elevations determ'ined. ZONE AE Base flood elevations determined. ZONE AH Flood depths of 1 to 3 feet (usually areas of ponding); base flood elevations determined. ZONE AO Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); average depths determined. For areas of alluvial fan flood- ing, velocities also determined. ZONE A99 To be protected from lOO-year flood by Federal flood protection system under construction; no base elevations determined. ZONE V Coastal flood with velocity hazard (wave action); no base flood elevations deter- mined. ZONE VE Coastal flood with velocity hazard (wave action); base flood elevations determined. FLOODWAY AREAS IN ZONE AE OTHER FLOOD AREAS ZONE X Areas of SOO-year fload; areas of 100-year flood with average depths of less than 1 foot or with drainage areas less than 1 square mile; and areas protected by levees from 100- year flood. OTHER AREAS ZONE X Areas determined to be outside 500- year flaod plain. ZONE D Areas in which fload hazard5 are u ndeterm ined. Flaad Boundary Flaodway Boundary Zane D Baundary Baundary Dividing Special Flaod Hazard Zones, and Boundary Dividing Areas af Different Caastal Base Flaod Elevatians Within Special Flaad Hazard Zanes. 513 ~ Base Flaad Elevatian Line; Ele- vation in Feet* Crass Sectian Line (EL 987) Base Flaad Elevatian in Feet Where Unifarm Within Zane* RM7X Elevatian Reference Mark *Referenced to' the Natianal Geadetic Vertical Datum af 1929 NOTES This map is far use in administering the Natianal Flaad Insurance Pragram; it daes nat necessarily identify all areas subject to' flaading. particularly fram lacal drainage saurces af small size, ar all planimetric features autside Special Fload Hazard Areas. Areas af special flaad hazard (lOO-year flaad) include Zanes A. AI.30, AE. AH. AO. A99, V. VI-30 AND VE. Certain areas nat in SpeCial Flaad Hazard Areas may be pratected-by f1aad cantral structures. Baundaries af the flaadways were camputed at crass sectians and interpalated between crass sectians. The flaadways were based an hydraulic consideratians with regard to' requirements af the Federal Emergency Management Agency. Flaadway widths in same areas may be taa narrow to show to scale Flaodwav widths are pravided in the Flaad I nsurance Study Repart Caastal base flaad elevatians apply anly landward af the shareline. Elevations reference marks are described in the Flaad Insurance StUdy Repart. Far adjaining map panels see separately printed Map Index MAP REPOSITORY Department of Public Works 750 Main Street Grand Junction, Colorado 81501 (Maps available for reference only, not for distribution.) INITIAL IDENTIFICATION: OCTOBER 18, 1974 FLOOD HAZARD BOUNDARY MAP REVISIONS: FLOOD INSURANCE RATE MAP EFFECTIVE: JULY 3, 1978 FLOOD INSURANCE RATE MAP REVISIONS: Map revised JULY 15, 1992 to update corporate limits, to decrease base flood elevations, to add base flood elevations, to add special flood hazard areas, to update map format, to add roads and road names and to reflect updated topographic information. T a determine if flaad insu ranee is available, cantact an insurance agent ar call the Natianal Flaad Insurance Pragram at (800) 638-6620. ~ APPROXiMATE SCALE iN FEET I FLOOD INSURANCE RATE MAP MESA COUNTY, COLORADO (UNINCORPORATED AREAS) PANEL 1000 (SEE MAP INDEX FOR PANELS NOT PRINTED) PANEL LOCATION B REVISED: 15, 1