Regulations
- 404(b)(1) Guidelines (PDF)
- Wetlands Protection: 40 CFR Parts 22, 230 through 233
- Assumption Regulations (Part 233 404 State Program Regulations) (PDF)
- Section 404 State Assumption Regulations (PDF)
- Letter from Peter S. Silva, Assistant Administrator, U.S. Environmental Protection Agency, December 27, 2010, Clarifying Endangered Species Act Section 7 Consultation (PDF)
- Text of Tribal Assumption Regulations (PDF)
Information on Assumed State Programs
NAWM Assumption Information Sheets and Tools
- Frequently Asked Questions About Assumption
- List of Common Terms Associated with the Clean Water Act Section 404 Assumption Process and Implementation
- Checklist of Considerations for States and Tribes Exploring Assumption of the §404 Program
- NAWM Matrix of Links to State 404 Assumption Resources
- Conducting State/Tribal and Federal Regulatory Crosswalks
- Documenting Assumable Waters
- A Comparison of Two Options for States and Tribes to Increase Programmatic Responsibility: Assumption and State Programmatic General Permit
Other Publications