§ 401 Certification Resources

Water Quality Standards for Wetlands

EPA Initiative

Enhancing State and Tribal Wetlands Program Initiative

EPA's webpage on Water Quality and 401 Certification

Section 401 Certification Clean Water Act (EPA website)

Clean Water Act Section 401 Water Quality Certification: A Water Quality Protection Tool for States and Tribes (2010)

Section 303 of the Clean Water Act -  Water Quality Standards and Implementation Plans

Water Quality Standards Policy and Guidance

Environmental Council of State (ECOS) Green Report: The State's Definition of 'Waters of the State'

River Network 401 Water Quality Certification Basics

Congressional Research Service Report for Congress - Clean Water Act Section 401:  Background and Issues

EPA Fact Sheet: Section 401 Certification and Wetlands


Section 404 Nationwide Permit Resources for §401 Certification

Proposal to Reissue and Modify Nationwide Permits
(February 16, 2011)

Questions and Answers U.sA. Army Corpsof Engineer natiownide permits Renewal/Revision 16 February 2011

U.S. Army Corp of Engineers Division and District Offices

U.S. Army Corps of Engineers Nationwide Permit Information

Summary Table of 2007 Nationwide Permits

33 CFR part 330 Nationwide Permit Program

Nationwide Permits Chronology and Related Materials

Congressional Research Service Report for Congresss:  The Army Corps of Engineers' Nationwide Permits Program:  Issues and Regulatory Developments (2008)

Rivernetwork tools for applying 401 certification to nationwide permits:  (includes complete list of 2007 401 cert. letters.)

Rivernetwork: Water Quality Certification of 2012 nationwide Permits: Learning from the History of the 2007 round

Appendix A: State-by-State Review of 401 Water Quality Certification of 2007 permits.

Appendix B: List of 2007 Nationwide Permits (and notes on 2012 additions) (See page 26)

Section 404 of the Clean Water Act (Code of Federal Regulations, Jan. 1994