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City of Bellingham, WA
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Divert Pressure Wash Water

Pressure Washing

Keep Our Creeks Safe for Fish, People and Pets

Pressure wash waste water is a public health hazard. When you pressure wash, dirt, metals, oils, paint, and cleaners are carried away with the wash water. If wash water enters a storm drain or ditch, it will carry those pollutants directly to the nearest creek, lake, or Bellingham Bay.

Divert Pressure Wash Water to a Sink, Lawn or Landscaping

Before washing

While washing

After washing


Pressure Washing Flyer (PDF)

Avoid Chemical Cleaners

Soap or chemical cleaners are usually not needed for a thorough cleaning; water pressure is enough. If you must use a cleaner, use a less toxic cleaner, such as the following:

• 2 cups mild, phosphorous-free laundry detergent
• 1/2 cup vinegar
• 1/4 cup lemon juice

Redirect Roof Downspouts

When pressure washing roofs, redirect downspouts to vegetated areas or temporarily block the downspouts entirely and collect the water for proper disposal in the sanitary sewer.  Reconnect your downspouts when you are finished washing.  When using chemicals for moss removal, make sure the chemicals do not enter the storm system, store containers inside, and dispose of leftover materials at Disposal of Toxics.

M 9/9/2015

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