• Rivers and Harbors Act of 1899 - Sec. 9
• Rivers and Harbors Act of 1899 - Sec.10
• Clean Water Act - Section 404
• Marine Protection Research and Sanctuaries Act of 1972 - Section 103
  

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• 33 CFR Part 320 - General Regulatory Policies
• 33 CFR Part 321 - Permits for Dams & Dikes in Navigable Waters of the U.S.
• 33 CFR Part 322 - Permits for Structures in or Affecting Navigable Waters of the U.S.
• 33 CFR Part 323 - Permits for Discharges of Dredged or Fill Material Into Waters of the U.S.
• 33 CFR Part 324 - Permits for Ocean Dumping of Dredged Material
• 33 CFR Part 325 - Processing of Department of the Army Permits
• 33 CFR Part 326 - Enforcement
• 33 CFR Part 327 - Public Hearing
• 33 CFR Part 328 - Definition of Waters of the United States
• 33 CFR Part 329 - Definition of Navigable Waters
• 33 CFR Part 330 - Nationwide Permit Program
• 33 CFR Part 331 - Administrative Appeals

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• 40 CFR Part 230 - Section 404(b)(1) Guidelines
• 40 CFR Part 1500 et seq - Council on Environmental Quality
• 36 CFR Part 800-899 - Advisory Council on Historic Preservation
• 50 CFR Parts 400-499 - Endangered Species Regulations
• 50 CFR Part 600 [PDF 209kb] - Essential Fish Habitat Regulations

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• Clean Water Act - Section 401
• Clean Water Act - Section 402
• Coastal Zone Management Act of 1972
• Endangered Species Act
• Marine Mammal Protection Act
• National Environmental Policy Act
• National Historic Preservation Act
• Wild & Scenic Rivers Act
• Marine Protection Research and Sanctuaries Act of 1972 - Section 302
• Fish and Wildlife Coordination Act

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• Executive Order 11990 - Protection of Wetlands
• Exec. Order 11988 - Floodplain Management
• Presidential Wetland Policy 1993
• Reaffirmation of the Presidential Wetland Policy 1995
  

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2002
02-01 [PDF 81kb] - Inclusion of Disclaimer Statements in Jurisdictional Letters Indicating that The Clean Water Act (CWA) Jurisdictional Determinations/Delineations May Not Meet the Requirements of The Food Security Act (FSA) of 1985
02-02 [PDF 3.05mb] - Guidance on Compensatory Mitigation Projects for Aquatic Resource Impacts Under the Corps Regulatory Program Pursuant to Section 404 of the Clean Water Act and Section 10 of the Rivers and Harbors Act of 1899

2001
01-01 Guidance for the Establishment and Maintenance of Compensatory Mitigation Projects Under the Corps Regulatory Program Pursuant to Section 404(a) of the Clean Water Act and Section 10 of the Rivers and Harbors Act of 1899

1996
96-01 Use of Nationwide Permit Number 23 for U.S. Coast Guard Categorical Exclusions
96-02 Applicability of Exemptions under Section 404(f) to "Deep Ripping" Activities in Wetlands

1995
95-01 Guidance on Individual Permit Flexibility for Small Landowners

For previous years, please link here. Archive of Regulatory Guidance Letters from 1981 through 2002

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• 1987 Wetlands Delineation Manual
• Waterways Experiment Station - Wetlands Ecology
• List of District Regulatory Offices 
• Regulatory Program Headquarters
• Nationwide Permits
• Mitigation of Impacts to Wetlands and Natural Habitat - Final Rule [PDF 170kb]
• Federal Guidance on the Use of the TEA-21 Preference for Mitigation Banking to fulfill Mitigation Requirements under Section 404 of the Clean Water Act
• National Wetlands Mitigation Action Plan
• Executive Order 13274, Environmental Stewardship and Transportation Infrastructure Reviews

See also the Water Quality/Wetlands topic from the Center for Environmental Excellence by AASHTO home page.

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