Headquarters

KEY TOPIC AREAS

Corps Authorities

• Watershed Protection and Flood Prevention Act of 1954 [Summary]   [Legislative Text]

Engineer Manuals

• EM 1110-2-2007.   Structural Design of Concrete Lined Flood Control Channels - 30 April 1995.
• EM 1110-2-1619   Engineering and Design - Risk-based Analysis for Flood Damage Reduction Studies
• EM 1110-2-2502.   Retaining and Flood Walls - 29 September 1989

Engineer Regulations

• ER 1105-2-101.   Planning  - Risk Analysis for Flood Damage Reduction Studies
• ER 1105-2-100.   Planning Guidance
• ER 1165-2-21.   Flood Damage Reduction Measures in Urban Areas - 30 October 1980
• ER 1165-2-26.   Implementation of Executive Order 11988 on Flood Plain Management - 30 March 1984
• ER 1165-2-29.   General Credit for Flood Control - 18 November 1987
• ER 1165-2-118.   Federal Participation in Covered Flood Control Channels - 13 October 1978
• ER 1165-2-121.   Flood Control Cost-Sharing Requirements under the Ability-to-Pay Provision - Section 103(m) of PL 99-662 - 1 November 89
• ER 1165-2-130.   Federal Participation in Shore Protection - 15 June 1989

Engineer Pamphlets

• EP 1165-2-314.   Flood Proofing Regulations - 15 December 1995
• EP 1110-1-3.   Flood Tolerant Plant Species - 31 January 1980
• EP 1110-2-8.   Explaining Flood Risk - 30 April 1992
• EP 1110-2-10.   Hydrologic Engineering Analysis Concepts for Cost-Shared Flood Damage - 31 July 1994

Corps Policies

• Digest of Water Resources Policies and Authorities, Ch 13, Flood Damage Reduction

Policy Guidance Letters

• Policy Guidance Letter Number 1. 12 Aug 87 - New Start Construction Projects - Responsibility for Modification/Alteration of Highway Bridge Foundations - Flood Control (included in ER 1165-2-131 - p.28, ER 1105-2-100 Para 4-12(c)
• Policy Guidance Letter Number 2. 18 Sep 87 - New Start Construction Projects - Responsibility for Alteration of Railroad Bridges - Flood Control (ER 1165-2-131 - p.28, ER 1105-2-100, para 4-12(c))
• Policy Guidance Letter Number 5.* 25 Mar 88 - New Start Construction Projects - Responsibility for Alteration and Relocations of Utilities Through the Line of Protection - Flood Control Projects
  *  20 Dec 88 Rescission of Policy Guidance Letter No. 5 (contains substitute guidance) (ER 1165-2-131- pgs. 27-29)
• Policy Guidance Letter Number 6. 25 Mar 88 - New Start Construction Projects - LCA Provisions to account for Ability to Pay Determinations (ER 1165-2-131- pg. 6)
• Policy Guidance Letter Number 7. 23 Feb 88 - Cost Sharing for Shore Protection Projects (ER 1165-2-130 - pg 17, ER 1105-2-100-para 4-16)
• Policy Guidance Letter Number 10. 6 Sep 88 - Shore Damage Mitigation (ER 1105-2-100, para 3-22)
• Policy Guidance Letter Number 11.** 13 Oct 88 - Credit for Lands, Easements, and Rights-of-Way (LER) at Shore Protection Projects (ER 1165-2-131, pgs 32-35)
  ** 21 Apr 89 - Revision to Policy Guidance Letter No. 11 (ER 1105-2-100, para 4-16)
• Policy Guidance Letter Number 14. 9 Jan 89 - Revisions to Guidance for Disposal of Materials on Beaches (ER 1105-2-100, para 4-8)
• Policy Guidance Letter Number 16. 24 May 89 - Clarification of Policy on Relocations at Flood Control Projects (ER 1105-2-100, para 4-12(c))
• Policy Guidance Letter Number 21. 2 Aug 89 - Flood Prevention Improvements for Protection from Groundwater-Induced Damages (ER 105-2-100, para 4-10)
• Policy Guidance Letter Number 22. 22 Nov 91 - Guidance for Placement of Materials on Beaches
• Policy Guidance Letter Number 25. 16 Oct 90 - Federal Participation in Land Development at Structural Flood Damage Reduction Projects
• Policy Guidance Letter Number 26. 23 Dec 91 - Benefit Determination Involving Existing Levees
• Policy Guidance Letter Number 27. 17 Nov 92 - Beach Fill Shore Protection Policies on Non-Federal Responsibilities and Use of Public Law 84-99 Funds
• Policy Guidance Letter Number 30. 6 Dec 91 - Real Estate Interests for Recreation Development for Non-Reservoir Projects
• Policy Guidance Letter Number 32. 28 Apr 93 - Use of Corps Reservoir Flood Easement Lands
• Policy Guidance Letter Number 36. 21 Oct 92 - Recreation Development at Structural Flood Control Projects (Non-Reservoir)
• Policy Guidance Letter Number 37. DRAFT Cost Sharing of Interior/Drainage Facilities
• Policy Guidance Letter Number 39. 13 Nov 92 - Responsibilities of the Corps of Engineers and Local Sponsor to Ensure Safe Operation, Maintenance, Repair, Replacement and Rehabilitation for Flood Control and Multipurpose Dams Constructed Under the Provisions of PL 99-662
• Policy Guidance Letter Number 41. 28 Oct 93 - Restoration of Market Value Benefits
• Policy Guidance Letter Number 43. 4 Apr 94 - Cost Sharing for Dam Safety Assurance
• Policy Guidance Letter Number 45. 27 Apr 95 - Responsibility for Alteration of Railroad Bridges - Flood Control
• Policy Guidance Letter Number 51. 18 Jul 97 - Flood Control Cost-Sharing
• Policy Guidance Letter Number 52. 8 Dec 97 - Flood Plain Management Plans
• Policy Guidance Letter Number 53. 9 Dec 97 - Implementation of Section 211 of the Water Resources Development Act of 1996

Floodplain Inventory

• Marshall & Swift Home Page
• Marshall & Swift Residential Estimator
  (requires subscription)
• Marshall & Swift Commercial Estimator
• IWR-Geospatial Floodplain Inventory Tool

Economic Evaluation Guidance

• NEW !  National Economic Development Procedures Manual - Urban Flood Damage.
• National Economic Development Procedures Manual, Volume 2 - Urban Flood Damage -Primer for Surveying Flood Damage for Residential Structures and Contents.  IWR Report 91-R-10 (available in hardcopy only - order through IWR publications at 703-428-9042)
• Empirical Studies of the Effect of Flood Risk on Housing Prices.  IWR Report 98-PS-2

Benefit Analysis Tools

• HEC NexGen-Flood Damage Analysis Package
• Risk Spreadsheet

Agricultural Crops Patterns and Yields

• Natural Resource Conservation Service
• National Agricultural Statistics Service

RESOURCES

Newsletters

• Flood Risk Management Newsletter:
  - 31 Dec 2007 Vol. 1 No. 2: Focusing on Levees

Corps Resources

• National Flood Risk Management Program
• Corps Flood Damage Reduction Center of Expertise
• National Nonstructural Flood Proofing Committee

Training, Flood Damage Reduction and Control

USACE Learning Center

PROSPECT “Purple Book” Classes

Courses at the Hydrologic Engineering Center (HEC):
 - Hydrologic Engineering Applications with GIS
 - Flood Damage Analysis Tools

Models:
 - HEC-RAS 3.1.2 (Hydrologic Engineering Center River Analysis System)
 - HEC-Geo 1.1 (Geospatial Hydrologic Modeling Extension)
 - DSS-Excel Add-1n (Excel Data Exchange Add-In)
 - HEC-RES Sim 2.0 (Reservoir System Simulation Program)
 - HEC-DSSVue 1.0
 - HEC-GeoRas 3.1.1
 - HEC-HMS 2.2.2

FEMA Courses
US EPA Courses
USGS Courses
Bureau of Reclamation Courses

Journals/Periodicals

• Natural Hazards Review
• Natural Hazards Observer
• Journal of Hydrologic Engineering
• Journal of Hydraulic Engineering
• Civil Engineering Virtual Library - Georgia Tech

Associations

• Assn of State Floodplain Managers
• National Assn of Flood & Stormwater Management Agencies
• National Flood Research
• iCivilEngineer.com 
• National Flood Proofing Committee
• The Natural Hazards Center
• National Emergency Managers Assn
• International Assn for Impact Assessment
• National Assn of Conservation Districts

Federal Organizations

• Federal Emergency Management Agency
• U.S. Census Bureau
• U.S. Department of Agriculture
• U.S. Geological Survey
• U.S. Natural Resource Conservation Service
• U.S. Bureau of Land Management
• U.S. Bureau of Reclamation - Flood Hydrology Group
• National Aeronautics and Space Administration - Earth Sciences Division
• Office of Climate, Water, and Weather Services (NOAA)

Academia

• Univ. of Colorado, National Hazards Center
• Univ. of Alberta Canada - Water Resources Engineering
• University of Wisconsin Water Resources Institute Library
• Dartmouth Flood Observatory