Flood Mitigation Plan
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Millstone River Flooding Old Kingston Bridge at Kingston Mill (looking upstream toward Carnegie Lake from “new” Route 27 Bridge) on September 17, 1999 Flood Mitigation Plan Township of Princeton Mercer County, New Jersey January 2006 Prepared with assistance from USDA Natural Resources Conservation Service 220 Davidson Avenue, 4th Floor Somerset, NJ 08873 732-537-6040 Princeton Township Flood Mitigation Plan January 2006 The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) 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USDA is an equal opportunity provider and employer. 2 USDA Natural Resources Conservation Service Princeton Township Flood Mitigation Plan January 2006 Table of Contents Table of Contents......................................................................................................................... 3 List of Tables................................................................................................................................. 5 List of Figures ............................................................................................................................... 5 List of Photos ................................................................................................................................6 Acknowledgements...................................................................................................................... 7 Preface........................................................................................................................................... 8 Setting ......................................................................................................................................... 8 Section A - Community Organization...................................................................................... 10 Section B - Public Involvement ................................................................................................ 10 Initial Public Meeting ............................................................................................................... 10 Public Meeting on Draft Plan ................................................................................................... 11 Public Information Activities.................................................................................................... 11 Questionnaires .......................................................................................................................... 11 Solicitation of Comments ......................................................................................................... 11 Planning Process, Planning Committee Meetings .................................................................... 11 Section C - Coordination with Other Agencies ...................................................................... 12 Initial Contact with Agencies, Comments ................................................................................ 12 Meetings with Agencies............................................................................................................ 12 Review of Community Needs, Goals, Plans for the Area......................................................... 13 Agencies’ Comments on Draft Action Plan.............................................................................. 13 Section D – Assessing the Hazard.......................................................................................... 13 Background Information: Record of Past Floods .................................................................... 13 FEMA Flood Insurance Study .................................................................................................. 14 Flood Prone Areas .................................................................................................................... 17 Description of Other Natural Hazards ...................................................................................... 18 Section E – Assessing the Problem ........................................................................................ 19 Repetitive Flood Losses............................................................................................................ 19 Affected Structures, Public Health and Safety ......................................................................... 19 Description and Impact of Flooding ......................................................................................... 34 FEMA National Flood Insurance Program Damage Claims........................................ 34 Property Owner Survey Results ...................................................................................... 34 Flooding Impacts on Road Crossings............................................................................. 34 Critical Facilities in Plan Area.................................................................................................. 34 Development, redevelopment, population trends, and possible future development and redevelopment in the floodplain, watershed and natural resource areas .................................. 38 Beneficial Function Areas ........................................................................................................ 38 Impact of Flooding.................................................................................................................... 42 Procedures for Warning and Evacuating Residents and Visitors ............................................. 42 Existing Flood Protection Measures......................................................................................... 42 Section F – Set Goals................................................................................................................ 43 Section G – Review of Possible Activities.............................................................................. 43 3 USDA Natural Resources Conservation Service Princeton Township Flood Mitigation Plan January 2006 Section H – Implementation of an Action Plan ...................................................................... 45 I. Road Flooding Safety ........................................................................................................... 45 II. Public Participation ............................................................................................................. 46 III. Incorporation of Flood Mitigation Planning into Local Ordinances, Emergency Management Plan and Master Planning ................................................................................... 46 IV. Private Property Flood and Stream bank Erosion Mitigation............................................ 47 Section I – Plan Adoption.......................................................................................................... 50 Section J – Plan Monitoring and Evaluation .......................................................................... 50 Bibliography................................................................................................................................. 51 Appendix...................................................................................................................................... 52 Resolution Establishing the Princeton Township Flood Control Committee........................... 53 Flood Control Committee Meeting Minutes............................................................................. 55 Property Owner Survey Questionnaire and Final Survey Results............................................ 83 Letter to Neighboring Municipalities, State and County Agencies.......................................... 96 Comments Received From Others............................................................................................ 99 Preliminary Damage Assessment Report and Emergency Log for Hurricane Floyd in Princeton Township................................................................................................................................. 104 Princeton Township Flood Damage Prevention Ordinance ................................................... 109 Suggested Changes to Existing Flood Damage Prevention Ordinance .................................. 122 Resolution for Adoption of Flood Mitigation Plan................................................................. 125 Community Rating System..................................................................................................... 127 Flood Insurance Rate Map and Flood Insurance Study.......................................................... 133 4 USDA Natural Resources Conservation Service Princeton Township Flood Mitigation Plan January 2006 List of Tables Table 1 – Waterway Gaging Stations in the Princeton