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Flood Boundary ---- Floodway Boundary 29 28 27 26 25 29 30 Zone D Boundary Boundary Dividing Special Flood Hazard Zones, and Boundary Dividing Areas of Different Coastal Base Flood Elevations Within Special Flood Hazard Zones. () Base Flood Elevation Line; Ele- 513 vation in Feet* @----@ Cross Section Line (EL 987) Base Flood Elevation in Feet Where Uniform Within Zone* RM7X Elevation Reference Mark ZONE X *Referenced to the National Geodetic Vertical Datum of 1929 NOTES 32 34 31 33 34 35 36 31 This map is for use in administering the National Flood Insurance Program; it does not necessarily identify all areas subject to flooding, particularly from local drainage sources of small size, or all planimetric features outside Special Flood Hazard Areas, Areas of special flood hazard (lOO'year flood) include Zones A, AI-30, ZONE X AE, AH, AO, A99, v, VI-30 AND VE. Certain areas not in Special Flood Hazard Areas may be protected by flood control structures. Boundaries of the floodways were computed at cross sections and T. 39 N. interpolated between cross sections, The floodways were based on hydraulic considerations with regard to requirements of the Federal T. 38 N. Emergency Management Agency, Floodway widths in some areas may be too narrow to show to scale, Floodway widths are provided in the Flood I nsurance Study Report. Coastal base flood elevations apply only landward of the shoreline. Elevations reference marks are described in the Flood Insurance Study Report. For adjoining map panels see separately printed Map Index 6 5 4 3 6 5 4 3 2 1 MAP REPOSITORY Office of County Administrator County Courthouse 109 West Main Street Cortez, Colorado 81321 1.0 (Maps available for reference only. not for distribution) 1.0 f'-.. 0 INITIAL IDENTIFICATION: N 0 0 0 -l -' UJ NOVEMBER 15,1977 z UJ <( z FLOOD HAZARD BOUNDARY MAP REVISIONS: <( 0.. 0.. U) (/) z z 6 6 J J FLOOD INSURANCE RATE MAP EFFECTIVE: MAY 4,1989 FLOOD INSURANCE RATE MAP REVISIONS: 1 F d ND SPECIAL fLOOD HAZARD AREAS INUNDATED BY 100-YEAR FLOOD ZONE A No base flood elevations determined. ZONE AE Base flood elevations determined. ZONE AH Flood depths of 1 to 3 feet (usually areas of ponding); base flood elevations determined. 20 ~ DOLORES COUNTY -- --- MON UMA COUNTY 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. ~ 00 " a:: ri r- I ZONE X ZONE A99 To be protected from lOO-year flood by Federal flood protection system under construction; no base elevations determined. SANJUAN NATIONAL FOREST ZONE V Coastal flood with velocity hazard (wave action); no base flood elevations deter- mined. 23 ZONE VE Coastal flood with velocity hazard (wave action); base flood elevations determined. fLOODWAY AREAS IN ZONE AE 21 24 23 20 19 OTHER fLOOD AREAS ZONE X Areas of SOO-year flood; areas of lOa-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 flood plain. ZONE D Areas in which flood hazards are u ndeterm ined. 8 / 9 10 7 8 10 Refer to the FLOOD INSURANCE RATE MAP effective date shown on this map to determine when actuarial rates apply to structures in the zone where elevations or depths have been established, To determine if flood insurance is available, contact an insurance agent or call the National Flood Insurance Program at (800) 638-6620. ZONE X ."".. """""""""'".""'. ;; 1 i i 1; ; I ' " j , 17 15 16 15 18 16 17 APPROXIMATE SCALE IN FEET . NATIONAL flOOD INSURANCE IR FLOOD INSURANCE 20 21 20 21 22 24 MONTEZUMA COLORADO (UNINCORPORATED AREAS) 50 OF 550 (SEE MAP INDEX FOR PANELS NOT PRINTED) 29 26 30 25 30 28 ; ZONE X PANEL LOCATION 31 32 33 35 36 36 Federal JOINS PANEL 0175