Institute for Water Resources, U.S. Army Corps of Engineers, Alexandria, Virginia, 1980-present. Water supply, demand and allocation studies.

Metropolitan Water District of Southern California, Los Angeles, California, 1986 – 1995, 2006- present.

Water use forecasting, water conservation evaluation, regional water planning, scenario forecasts

New York City Department of Environmental Protection, , 2005 – present, System dependability panel study

Jordanian Ministry of Water and Irrigation. Water Demand Management Unit, Amman- Jordan, 2004, water demand management policy for Jordan

U.S. Agency for International Development, Washington D.C., WEPIA Project, 2003-2004, Water supply and sanitation studies in squatter communities

Empresa de Aqueducto y Alcantarillado de Bogota (E.A.A.B.), Bogota, Columbia, 1997.; Water conservation plan review for Bogota

American Water Works Association Research Foundation, Denver, Colorado, 1996-1999. Residential and commercial water end use studies

City of Phoenix, Water and Wastewater Department, Phoenix, Arizona, 1985-1994. Water demand forecasting, water conservation evaluation, planning for drought

Planning and Management Consultants, Ltd., Carbondale, Illinois, 1980 – 2003, projects on drought management, water use forecasting, water supply and conservation for various U.S. cities.

State of New Mexico, Public Lands Office, Santa Fe, New Mexico, 1985 - 1986. Expert testimony on water needs assessment for groundwater wells application in Waco Bolson aquifer

State of New York, Department of Environmental Conservation, Albany, New York, 1987 - 1988.

U.S. Army Corps of Engineers, Waterways Experiment Station, Vicksburg, Mississippi,  1987. Water demand study for Binghamton, New York

Tennessee Valley Authority, Chattanooga, Tennessee, 1985-86. Drought response measures for TVA service areas 

City of Springfield, Department of Water, Light and Power, Springfield, Illinois, 1985-1986. Stdy of drought impacts, water use and forecasting

Metcalf and Eddy -- An Air & Water Technologies Company, Wakefield, Massachusetts, 1991. Review of drought and water conservation plans

United States Navy (1994-1996). Water efficiency audits on Navy installations.

City of Eugene, Oregon (1996-1997). Water demand and conservation evaluation, integrated planning study