NOTICE TO FLOOD INSURANCE STUDY USERS Communities participating in the National Flood Insurance Program have established repositories of flood hazard data for floodplain management and flood insurance purposes. This Flood Insurance Study (FIS) may not contain all data available within the repository. It is advisable to contact the community repository for any additional data. The Federal Emergency Management Agency (FEMA) may revise and republish part or all of this Preliminary FIS report at any time. In addition, FEMA may revise part of this FIS report by the Letter of Map Revision (LOMR) process, which does not involve republication or redistribution of the FIS report. Therefore, users should consult community officials and check the Community Map Repository to obtain the most current FIS components. Flood Insurance Rate Map panels for this community contain the most current information that was previously shown separately on the corresponding Flood Boundary and Floodway Map panels (e.g., floodways and cross sections). In addition, former flood hazard zone designations have been changed as follows. Old Zone(s) New Zone A1 through A30 AE B X (shaded) C X Initial Countywide FIS Effective Date: FLOOD INSURANCE STUDY CUMBERLAND COUNTY, MAINE (ALL JURISDICTIONS) 1.0 INTRODUCTION 1.1 Purpose of Study This Flood Insurance Study (FIS) revises and updates information on the existence and severity of flood hazards in the geographic area of Cumberland County, including the Cities of Portland, South Portland, Westbrook, and the Towns of Baldwin, Bridgton, Brunswick, Cape Elizabeth, Casco, Chebeague Island, Cumberland, Falmouth, Freeport, Frye Island, Gorham, Gray, Harpswell, Harrison, Long Island, Naples, New Gloucester, North Yarmouth, Pownal, Raymond, Scarborough, Sebago, Standish, Windham, and Yarmouth (referred to collectively herein as Cumberland County), and aids in the administration of the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973. This study has developed flood-risk data for various areas of the community that will be used to establish actuarial flood insurance rates and to assist the community in its efforts to promote sound floodplain management. Minimum floodplain management requirements for participation in the National Flood Insurance Program (NFIP) are set forth in the Code of Federal Regulations at 44 CFR, 60.3. There were no previously printed FISs for the Towns of Chebeague Island, Frye Island, Long Island and Pownal. Chebeague Island was previously a part of the Town of Cumberland until July 1, 2007, when it became the Town of Chebeague Island. Long Island was previously a part of the City of Portland until July 1, 1993, when it became the Town of Long Island. In some states or communities, floodplain management criteria or regulations may exist that are more restrictive or comprehensive than the minimum federal requirements. In such cases, the more restrictive criteria take precedence, and the State (or other jurisdictional agency) will be able to explain them. 1.2 Authority and Acknowledgments The sources of authority for this FIS report are the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973. This FIS was prepared to incorporate all the communities within Cumberland County in a countywide format. Information on the authority and acknowledgements for each jurisdiction included in this countywide FIS, as compiled from their previously printed FIS reports, are shown below: Baldwin, Town of: The hydrologic and hydraulic analyses for the January 1980 study were performed by Edward C. Jordan Company for the Federal Insurance Administration (FIA), under Contract No. H- 4578. This study was completed in August 1978. Bridgton, Town of: The hydrologic and hydraulic analyses for the November 3, 1981 study were prepared by the Soil Conservation Service (SCS) for the Federal 1 Bridgton, Town of - continued: Emergency Management Agency (FEMA) under Interagency Agreement No. IAA-H-17-78, Project Order No. 5. This work was completed in March 1980. Brunswick, Town of: The hydrologic and hydraulic analyses for the January 3, 1986 study were prepared by a joint venture including Anderson-Nichols & Company, Inc., Camp Dresser & McKee (CDM), and the New England Coastal Engineers for FEMA under Contract No. H-4771. This work was completed in June 1980. The analysis of wave effects and additional analyses for the Androscoggin River were completed by Anderson-Nichols & Company, Inc. and CDM in November 1983. Cape Elizabeth, Town of: The analyses of flooding in the December 19, 1985 report were performed in two phases. The initial hydrologic and hydraulic analyses of riverine and stillwater flooding were performed by a joint venture including Anderson-Nichols & Company, Inc., CDM/Resource Analysis, and New England Coastal Engineers for FEMA, under Contract No. H-4771. The initial work was completed in November 1979. A modification to the contract in September 1982 called for the analysis of the impacts of wave heights and wave runup on flooding. The updated work was performed by the joint venture of Anderson-Nichols & Company, Inc. and CDM/Resource Analysis for FEMA. The updated work was completed in September 1983. Casco, Town of: The hydrologic and hydraulic analyses for the November 5, 1980 study were prepared by SCS for FIA under Interagency Agreement No. IAA- H-17-78, Project Order No. 5. This work was completed in November 1979. Cumberland, Town of: The initial hydrologic and hydraulic analyses of riverine and open coastal surge flooding for the October 15, 1985 study were performed by a joint venture including Anderson-Nichols & Company, Inc., CDM, and New England Coastal Engineers for FEMA, under Contract No. H- 4771. The initial work was completed in March 1980. A subsequent modification to the contract called for the analysis of the impact of a wave runup on flooding. The updated version was 2 Cumberland, Town of - continued: prepared by the joint venture of Anderson- Nichols & Company, Inc. and CDM for FEMA. The updated work was completed in September 1983. Falmouth, Town of: The hydrologic and hydraulic analyses for the April 16, 1984 study were prepared by a joint venture by Anderson-Nichols & Company, Inc., CDM/Resource Analysis, and the New England Coastal Engineers for FEMA, under Contract No. H-4771. The riverine analyses were completed in May 1980. The wave runup analysis was completed in February 1983. Freeport, Town of: The hydrologic and hydraulic analyses for the July 17, 1984, study were prepared by a joint venture including Anderson-Nichols & Company, Inc., CDM and New England Coastal Engineers, for FEMA, under Contract No. H- 4771. This work was completed in March 1980. The analysis of wave effects was completed by Anderson-Nichols & Company, Inc. and CDM in July 1983. Gorham, Town of: The hydrologic and hydraulic analyses for the April 15, 1981, study were prepared by the U.S. Geological Survey (USGS) for FIA, under Inter- Agency Agreement No. IAA-H-9-77, Project Order No. 7. This work was completed in December 1979. Gray, Town of: The hydrologic and hydraulic analyses in the July 6, 1981 study were prepared by the SCS for FEMA, under Inter-Agency Agreement No. IAA-H-17-78, Project Order No. 5. This work was completed in February 1980. Harpswell, Town of: The analyses of flooding in the January 3, 1985 report were performed in two phases. The initial hydrologic and hydraulic analyses of open coastal surge flooding were performed by a joint venture including Anderson-Nichols & Company, Inc., CDM/Resource Analysis, and New England Coastal Engineers for FEMA, under Contract No. H-4771. The initial work was completed in January 1980. A modification to the contract in September 1982 called for the analysis of the impacts of wave heights and wave runup on flooding. The updated work was 3 Harpswell, Town of - continued: performed by the joint venture of Anderson- Nichols & Company, Inc. and CDM/Resource Analysis for FEMA. The updated work was completed in September 1983. Harrison, Town of: The hydrologic and hydraulic analyses for the October 15, 1981 study were prepared by SCS for FEMA, under Inter-Agency Agreement No. IAA-H-17-78. This work was completed in December 1979. Naples, Town of: The hydrologic and hydraulic analyses for the October 1, 1981 study were prepared by SCS for FEMA, under Inter-Agency Agreement No. IAA-H-17-78, Project Order No. 5. This work was completed in November 1979. New Gloucester, Town of: The hydrologic and hydraulic analyses for the October 1, 1981 study were prepared by SCS for FEMA, under Inter-Agency Agreement No. IAA-H-17-78, Project Order No. 5. This work was completed in January 1980. North Yarmouth, Town of: The hydrologic and hydraulic analyses for the January 16, 1981 study were prepared by SCS for FEMA, under Inter-Agency Agreement No. IAA-H-17-78, Project Order No. 5. This work was completed in January 1980. Portland, City of: For the original July 17, 1986 FIS, the hydrologic and hydraulic analyses were prepared in several phases. The initial analyses of riverine and stillwater flooding were performed under a joint venture by Anderson-Nichols & Company, Inc., CDM/Resource Analysis, and New England Coastal Engineers for FEMA, under Contract No. H-4771. The initial work was completed in November 1979. A modification to the contract in September 1982 called for the analysis of the impacts of wave heights and wave runup on flooding. The updated work was performed under the joint venture of Anderson- Nichols & Company, Inc. and CDM/Resource Analysis for FEMA. The updated work was completed in September 1983. For the December 8, 1998 FIS, the revised hydrologic and hydraulic analyses for Capisic Brook and new analyses for East Branch Capisic Brook and West Branch Capisic Brook were prepared by the Natural Resource Conservation Service (NRCS) for the City of Portland; this 4 Portland, City of – continued: work was completed in November 1995.