| Nationwide Permit 1. Aids to Navigation (Section 10) | 
        
        
            | Nationwide Permit 2. Structures in Artificial Canals (Section 10) | 
        
        
            | Nationwide Permit 3. Maintenance (Sections 10 and 404) | 
        
        
            | Nationwide Permit 4. Fish & Wildlife Harvesting, Enhancement, and Attraction Devices & Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 5. Scientific Measurement Devices (Sections 10 and 404) | 
        
        
            | Nationwide Permit 6. Survey Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 7. Outfall Structures and Associated Intake Structures (Sections 10 and 404) | 
        
        
            | Nationwide Permit 8. Oil and Gas Structures on the Outer Continental Shelf (Section 10) | 
        
        
            | Nationwide Permit 9. Structures in Fleeting and Anchorage Areas (Section 10) | 
        
        
            | Nationwide Permit 10. Mooring Buoys (Section 10) | 
        
        
            | Nationwide Permit 11. Temporary Recreational Structures (Section 10) | 
        
        
            | Nationwide Permit 12. Utility Line Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 13. Bank Stabilization (Sections 10 and 404) | 
        
        
            | Nationwide Permit 14. Linear Transportation Projects (Sections 10 and 404) | 
        
        
            | Nationwide Permit 15. U.S. Coast Guard Approved Bridges (Section 404) | 
        
        
            | Nationwide Permit 16. Return Water from Upland Contained Disposal Areas (Section 404) | 
        
        
            | Nationwide Permit 17. Hydropower Projects (Section 404) | 
        
        
            | Nationwide Permit 18. Minor Discharges (Sections 10 and 404) | 
        
        
            | Nationwide Permit 19. Minor Dredging (Sections 10 and 404) | 
        
        
            | Nationwide Permit 20. Response Operations for Oil and Hazardous Substances (Sections 10 and 404) | 
        
        
            | Nationwide Permit 21. Surface Coal Mining Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 22. Removal of Vessels (Sections 10 and 404) | 
        
        
            | Nationwide Permit 23. Approved Categorical Exclusions (Sections 10 and 404) | 
        
        
            | Nationwide Permit 24. Indian Tribe or State Administered Section 404 Programs (Section 10) | 
        
        
            | Nationwide Permit 25. Structural Discharges (Section 404) | 
        
        
            | Nationwide Permit 26. [Reserved] | 
        
        
            | Nationwide Permit 27. Aquatic Habitat Restoration, Establishment, and Enhancement Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 28. Modifications of Existing Marinas (Section 10) | 
        
        
            | Nationwide Permit 29. Residential Developments (Sections 10 and 404) | 
        
        
            | Nationwide Permit 30. Moist Soil Management for Wildlife (Section 404) | 
        
        
            | Nationwide Permit 31. Maintenance of Existing Flood Control Facilities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 32. Completed Enforcement Actions (Sections 10 and 404) | 
        
        
            | Nationwide Permit 33. Temporary Construction, Access, and Dewatering (Sections 10 and 404) | 
        
        
            | Nationwide Permit 34. Cranberry Production Activities (Section 404) | 
        
        
            | Nationwide Permit 35. Maintenance Dredging of Existing Basins (Section 10) | 
        
        
            | Nationwide Permit 36. Boat Ramps (Sections 10 and 404) | 
        
        
            | Nationwide Permit 37. Emergency Watershed Protection and Rehabilitation (Sections 10 and 404) | 
        
        
            | Nationwide Permit 38. Cleanup of Hazardous and Toxic Waste (Sections 10 and 404) | 
        
        
            | Nationwide Permit 39. Commercial and Institutional Developments (Sections 10 and 404) | 
        
        
            | Nationwide Permit 40. Agricultural Activities (Section 404) | 
        
        
            | Nationwide Permit 41. Reshaping Existing Drainage Ditches (Section 404) | 
        
        
            | Nationwide Permit 42. Recreational Facilities (Section 404) | 
        
        
            | Nationwide Permit 43. Stormwater Management Facilities (Section 404) | 
        
        
            | Nationwide Permit 44. Mining Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 45. Repair of Uplands Damaged by Discrete Events (Sections 10 and 404) | 
        
        
            | Nationwide Permit 46. Discharges in Ditches (Section 404) | 
        
        
            | Nationwide Permit 47. [Reserved] | 
        
        
            | Nationwide Permit 48. Commercial Shellfish Aquaculture Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 49. Coal Remining Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 50. Underground Coal Mining Activities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 51. Land-Based Renewable Energy Generation Facilities (Sections 10 and 404) | 
        
        
            | Nationwide Permit 52. Water-Based Renewable Energy Generation Pilot Projects (Sections 10 and 404) | 
        
        
            | Nationwide Permit 53. Removal of Low-Head Dams (Sections 10 and 404) | 
        
        
            | Nationwide Permit 54. Living Shorelines (Sections 10 and 404) |