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Storm Water Management

  • Rain gardens and bioswales
  • Dry wells
  • Natural water features
  • Permeable walk ways and driveways


  • Natural stone and concrete
  • Flatwork and retaining walls
  • Boulders
  • Walk ways and driveways


  • Fences and gates
  • Arbors and trellises
  • Benches
  • Outdoor living spaces

Rain Gardens

Welcome the rain and use it to enhance your landscape. Create a rain garden or storm water management system as your downspouts allow.


What is a rain garden? A rain garden is simply a shallow depression in your landscape intended to collect rain water. Planted with native wetland perennials, grasses and wildflowers, it is designed to naturally collect water from rooftops or other impervious areas. This allows for water infiltration on-site while providing shelter for birds, butterflies and beneficial insects.

Here in Portland we receive an average of over 35” of rain each year. This translates to over 20,000 gallons of water off the average one thousand square foot roof. Basically, for each inch of rain we receive, a one thousand square foot roof will shed 600 gallons of water.

Unfortunately for us and the fish, our combined sewer system flows to the treatment plant on the Willamette River and it is standard for sewage and rain water to overflow into the river. With rain gardens we have the opportunity to remove a significant amount of the rain shed from rooftops, reducing the risk of sewage overflow into the river.

A rain garden gives us the opportunity to manage storm water on site while working with nature. This creates a functional and earth friendly addition to the landscape.

Give us a call to get started managing your storm water. Find more information and incentives to create a rain garden from the City of Portland at Clean River Rewards.