FLOOD08400

• Designation Number: 422
• County: Lake
• Community: Leadville
• Basin: Arkansas
• Title: Resolution - FPR 96-422 - FHBM - Leadville, CO
• Date: 4/1/1996
• Designation Date: 5/1/1996
• Prepared By: CWCB
• Floodplain - Doc Type: Resolution

FPR 96-422
City of Leadville

COLORADO W ATER CONSERVATION BOARD
721 State Centennial Building
1313 Sherman Street
Denver, Colorado 80203

May 13, 1996

RESOLUTION

WHEREAS, the Federal Insurance Administration completed floodplain information
mapping entitled "Flood Hazard Boundary Map, City of Leadville, Colorado, Lake County",
dated March 7,1975; and

WHEREAS, said mapping includes approximate .floodplain delineations for the storm
and floodwater runoff channels and basins, but does not include hydrology information for the
storm and floodwater runoff channels and basins, within the corporate limits of the City of
Leadville, as they were on March 7, 1975; and

WHEREAS, a new floodplain information report entitled "Floodplain Information
Report, City of Leadville, Colorado", dated April 10, 1996 has been prepared by the Colorado
Water Conservation Board; and

WHEREAS, said new report includes the floodplain delineations of the Flood Hazard
Boundary Map dated March 7,1975; and

WHEREAS, said new report dated April 10, 1996 with the floodplain delineations for
the City of Leadville includes approximate floodplain information for California Gulch and an
unnamed tributary to California Gulch; and

WHEREAS, the hydrology information for the approximate floodplain for California
Gulch in said new report with included mapping has been estimated in accordance with the
Guidelines for Determining IOO-Year Flood Flows for Approximate Floodplains in
Colorado; and

WHEREAS, a procedure for determining hydrology information in the City of Leadville
for approximate floodplains of streams with drainage areas that are outside of the acceptable
size range, lakes, ponds, and local drainage areas has not been established by the Guidelines for
Determining IOO-year Flows for Approximate Floodplains in Colorado; and

WHEREAS, the streams with drainage areas that are outside of the acceptable size
range, lakes, ponds, local drainage areas, and irrigation ditches may be designated as
approximate floodplain information without a procedure for estimating 100-year peak flows, as