Activities requiring a permit from the USACE under Section 404 of the Clean Water Act or Section 10 of the Rivers and Harbors Act of 1899 may be permitted by General Permit or Individual Permit. There are three types of general permits including: Nationwide General Permits, Regional General Permits, and Programmatic General Permits. There are two types of individual permits: Standard Individual Permits and Letters of Permission. Standard Individual Permits require a public notice. Permitting elements may include mitigation, appeals, emergency permits, and the Trinity River and Tributaries Environmental Impact Statement and Record of Decision.