1994-10-00 [EPA] Moving the NPDES Program to a Watershed Approach
2000-02-21 [EPA] The Watershed Approach: Our Framework for Ecosystem Protection (Memo from R. Perciasepe)
2001-10-04 [EPA] How is the Watershed Approach Working
2002-04-00 [EPA] A Review of Statewide Watershed Management Approaches – Final Report
2003-12-00 [EPA] Watershed-Based National Pollutant Discharge Elimination System (NPDES) Permitting Implementation Guidance
2004-06-07 [GAO] Watershed Management: Better Coordination of Data Collection Efforts Needed to Support Key Decisions
2005-09-21 [EPA] Evaluation Report – Sustained Commitment Needed to Further Advance Watershed Approach
2005-10-00 [EPA] Handbook for Developing Watershed Plans to Restore and Protect Our Waters – Draft
2007-09-25 [EPA] National Perspective on the Watershed-Based Approach