| What if… the United States of America were based on watersheds? GJ Kauffman Water Policy 4 (1), 57-68, 2002 | 60 | 2002 |
| Link between impervious cover and base flow in the White Clay Creek Wild and Scenic watershed in Delaware GJ Kauffman, AC Belden, KJ Vonck, AR Homsey Journal of Hydrologic Engineering 14 (4), 324-334, 2009 | 52 | 2009 |
| Governance, policy, and economics of intergovernmental river basin management GJ Kauffman Water Resources Management 29, 5689-5712, 2015 | 45 | 2015 |
| Water quality trends in the Delaware River Basin (USA) from 1980 to 2005 GJ Kauffman, AR Homsey, AC Belden, JR Sanchez Environmental Monitoring and Assessment 177, 193-225, 2011 | 40 | 2011 |
| Water quality trends (1970 to 2005) along Delaware streams in the Delaware and Chesapeake Bay watersheds, USA GJ Kauffman, AC Belden Water, Air, and Soil Pollution 208, 345-375, 2010 | 38 | 2010 |
| The role of impervious cover as a watershed-based zoning tool to protect water quality in the Christina river basin of Delaware, Pennsylvania, and Maryland GJ Kauffman, T Brant Watershed Conference 2000, 1656-1667, 2000 | 37* | 2000 |
| Frequency and intensity of extreme drought in the Delaware Basin, 1600–2002 GJ Kauffman, KJ Vonck Water Resources Research 47 (5), 2011 | 30 | 2011 |
| Economic value of nature and ecosystems in the Delaware River Basin GJ Kauffman Journal of Contemporary Water Research & Education 158 (1), 98-119, 2016 | 25 | 2016 |
| IMPERVIOUSNESS: A PERFORMANCE MEASURE OF A DELAWARE WATER RESOURCE PROTECTION AREA ORDINANCE1 GJ Kauffman, MB Corrozi, KJ Vonck JAWRA Journal of the American Water Resources Association 42 (3), 603-615, 2006 | 21 | 2006 |
| Economic Value of the Delaware Estuary Watershed-Summary Document G Kauffman, A Homsey, S Chatterson, E McVey, S Mack | 17* | 2011 |
| Socioeconomic Value of the Delaware River Basin in Delaware, New Jersey, New York, and Pennsylvania GJ Kauffman, D Newark Delaware River Basin Commission, West Trenton, NJ, 2011 | 15 | 2011 |
| The Delaware River revival: Four centuries of historic water quality change from Henry Hudson to Benjamin Franklin to JFK GJ Kauffman Jr Pennsylvania History: A Journal of Mid-Atlantic Studies 77 (4), 432-465, 2010 | 14 | 2010 |
| The cost of clean water in the Delaware River Basin (USA) GJ Kauffman Water 10 (2), 95, 2018 | 12 | 2018 |
| Technical Summary: State of the Delaware River Basin Report G Kauffman, A Belden, A Homsey Newark, Delaware, 189, 2008 | 12* | 2008 |
| Economic value of the Barnegat Bay watershed GJ Kauffman, C Cruz-Ortiz | 11 | 2012 |
| Economic benefits of improved water quality in the Delaware River (USA) GJ Kauffman River Research and Applications, 2019 | 8 | 2019 |
| Water Resources and Environmental Depth Reference Manual for the Civil PE Exam J Brant, G Kauffman | 6* | 2011 |
| The University of Delaware rain garden: Environmental mitigation of a building footprint E Grehl, G Kauffman Journal of Green Building 2 (1), 53-67, 2007 | 6 | 2007 |
| Economic Value of Stormwater in Delaware GJ Kauffman | 5 | 2011 |
| Socioeconomic Value of the Chesapeake Bay Watershed in Delaware G Kauffman | 5 | 2011 |
