Congress passes laws that authorize EPA and other federal agencies to write rules and regulations that explain the critical details needed to implement environmental laws. Learn about the Clean Water Act and other laws and regulations.
EPA, the Department of the Army, and the Army Corps of Engineers started the rulemaking process to revise the definition of “waters of the U.S.” Learn more about the "waters of the United States" rulemaking.
The Army Corps of Engineers issues permits that are needed for any work, including construction and dredging, in the nation’s navigable waters. Learn about the CWA Section 404 permit program.