The following are selected resources and source data on the environmental impact of pavement washing and professional car washing. For more information, contact the International Carwash Association.
- Residential Car Washwater Monitoring Study. (Source: City of Federal Way, July 2009.) This study shows the effects of pavement washing in terms of pollutants released to the municipality's storm water system.
- Fish Toxicity Test Report. (Source: Environmental Partners, Inc. / Car Wash Enterprises, March 2007.) This study shows the effect of charity car wash runoff on aquatic life in streams.
- Water Conservation in the Professional Car Wash Industry. (Source: International Carwash Association, 2002). This study describes the use of water recycling systems in the car wash industry and their impact.
- Water Use in the Professional Car Wash Industry. (Source: International Carwash Association, 2002.) This study describes water use, evaporation and carryout characteristics of professional car washes.