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Denver Regulatory Office | 9307 South Wadsworth Blvd | Littleton | Colorado | 80128-6901 | Ph: 303-979-4120 | Fax: 303-979-0602

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Introduction to 404 Permits

What is a 404 Permit?
What Work Requires a Permit?
Who Should Obtain a Permit?
What are Waters of the United States?
Types of Permits (Nationwide, Regional, Individual Permits)
Pre-Application Consultation
You Can Help

For additional information or to apply for a permit, please contact

US Army Corps of Engineers
Denver Regulatory Office
9307 South Wadsworth Blvd.
Littleton, CO  80128-6901
Ph: 303-979-4120
Fx: 303-979-0602

What is a 404 Permit?

The Clean Water Act was passed by the US Congress in 1977 to protect the physical, biological, and chemical quality of waters of the US.

Section 404 of the Clean Water Act requires a permit to place any fill material in the nation's rivers, streams, ponds, lakes and wetlands.  The permits evaluate and balance the need for the fill material with the need to protect the waters.

The Section 404 program is administered by the US Army Corps of Engineers and Environmental Protection Agency.

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What Work Requires a 404 Permit?

Section 404 of the Clean Water Act requires a permit to place any fill material in the nation's rivers, streams, ponds, lakes and wetlands. Typical activities requiring Section 404 permits include the following in any waters of the US including wetlands:

  • Construction of roads or paths
  • Foundations or amenities for residential, commercial, or recreational developments
  • Construction of ponds, dams, dikes or weirs
  • Placement of riprap and channel protection
  • Laying utility pipes or lines

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Who Should Obtain a Permit?

Any person, firm, or agency (including Federal, state, and local government agencies) planning to work in waters of the United States, or dump or place fill material in waters of the United States, must first obtain a permit from the Corps of Engineers.

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What are Waters of the United States?

Waters of the United States includes essentially all surface waters such as rivers, streams and their tributaries, all wetlands adjacent to these waters, and all ponds, lakes and reservoirs.

Wetlands are areas with wetland vegetation (cattails, rushes, sedges, willows, etc.) where the soil is saturated or flooded during a significant portion of the year during  most years.  Wetlands generally include swamps, marshes, bogs, and similar areas.

All work in waters within the ordinary high water mark require a permit.  The ordinary high water mark is the line on the shores established by the fluctuations of water and indicated by physical characteristics such as:

  • a clear natural line impressed on the bank
  • shelving
  • changes in the character of the soil
  • wetland vegetation
  • the presence of litter and debris
  • other appropriate means that consider the characteristics of the surrounding areas

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Types of Permits

The Denver Regulatory Office essentially issues three kinds of Section 404 permits:

  1. Nationwide Permits:  Generally the simplest permits that authorize categories of activities nationwide.
  2. Regional General Permits:  Another relatively simple permit that authorizes activities with regional similarities.
  3. Individual Permits:  Individual permits are issued following a full public interest review of an individual application for a Department of the Army permit. A public notice is distributed to all known interested persons. After evaluating all comments and information received, final decision on the application is made.

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Pre-Application Consultation

You are encouraged to contact the Corps of Engineers for proposed work in waters of the US.

Permit requirements will be reviewed, including the need for a permit, exemption to permits and type of permit.  By discussing all information prior to application submittal, your application will be processed more efficiently.

An official determination as to the need for a Department of the Army permit will be provided upon request.

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You Can Help

The understanding and support of the American people is vital to the success of this program. To protect our nation's water resources and assure their use and enjoyment for future generations, we must all join this vital effort. We ask your help in "passing the word" to others concerning the permit requirements and solicit your views and comments on better ways of attaining the goals of this program. Your comments, questions, and suggestions should be directed to the Denver Regulatory Office or any U.S. Army Corps of Engineers Regulatory Office.

For additional information or to apply for a permit, please contact

US Army Corps of Engineers
Denver Regulatory Office
9307 South Wadsworth Blvd.
Littleton, CO  80128-6901
Ph: 303-979-4120
Fx: 303-979-0602