Prohibited / Restricted Materials
The US Army Corps of Engineers, Wyoming Regulatory Office, through the Regulatory Program, administers and enforces Section 404 of the Clean Water Act in Wyoming for the Omaha District. Under CWA Section 404, a permit is required for the discharge of dredged or fill material into waters of the United States. Many waterbodies and wetlands in the nation are waters of the United States and are subject to the Corps' regulatory authority.
2012 Nationwide Permit Information
Arid West Supplement
Western Mountains Supplement
Great Plains Supplement
Click this map for the different areas of regulatory oversight.