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FEDERAL WAY, WA — The Surface Water Management Division of Federal Way, WA, has conducted a study of residential carwashing which further proves home carwashing is bad for the environment, as an earlier study sponsored by Brown Bear Car Wash proved in 2007, according to The Federal Way Mirror.
The July 30 story said the Residential Car Washwater Monitoring Study was published in July 2009 after the Division collected samples and measured pollutants from five weekend fundraising carwash events in 2007 and 2008.
City staff estimated residents annually deposit 190 gallons of gasoline, diesel and motor oil, 400 pounds of phosphorous and nitrogen, 60 pounds of ammonia, 2,200 pounds of surfactants and 30,000 pounds of solid wastes into the city’s stormwater drainage system.
“One residential carwash may not contribute a whole lot, but when we looked at the big picture, it kind of hit home that this is a pretty significant contribution to our system of stormwater pollution,” said Dan Smith, surface water quality program coordinator.
In 2007, the state’s Department of Ecology (DOE) issued the Western Washington Phase II Municipal Stormwater Permit which requires municipalities to put in place programs to manage pollution that is mixed in with stormwater discharge. The permit also requires the jurisdictions to help cut down on the waste by educating the public.
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