Water: Do Your Part

WDYP Natural GardensRain GardensPlant NativesHomesInvasivesAutosStreamsFor KidsPetsStormwaterHazardous WasteReport SpillsYards

The Water...Do Your Part outreach campaign identifies simple things we can do to keep our rivers and streams healthy. Check out the local resources and Do Your Part!
Tips for removing invasives and pesticides :



  • Help keep our natural areas healthy for our local birds and other wildlife.
  • Remove invasive plants from your landscaping at your home or business to prevent them from spreading.
  • Common plants include: Yellow Archangel, Italian Arum, Herb Robert, Lesser Celandine, Clematis, Butterfly Bush, English Ivy, Tree of Heaven and Japanese Knotweed.
  • Lesser Celandine and Italian Arum are not as sweet and innocent as they look.  They spread quickly will smother other plants in your yard.  In natural areas they disrupt the natural plant diversity and food sources for wildlife. Both species spread by tubers and seeds—do not try to eradicate when they have seeds. 
  • Dig out all tubers and fragments from the ground in late winter/early spring. 
  • Do not mow or they can spread.
  • Wear protective clothing and gloves because Arum contains a skin irritant called calcium oxalate.
  • Bag and place in the trash, not your yard debris bin to prevent further spreading.
  • Watch for signs of re-sprouting in late winter/early spring and continue to dig out or carefully spot treat with a broadleaf herbicide.
  • Arum is particularly resistant, even to chemicals.  Thick weed blocking fabric/tarping after these initial steps can provide additional control.
  • For tips on safe removal of many common invasive yard plants and suggested substitution plants check out:
    • City of Gresham Invasive Plant Guide
    • Garden Smart Oregon
  • Report locations of noxious weeds on the Oregon Invasive Species Hotline:



  • Because pesticides are available at our local garden centers, many people assume they are safe.
  • In reality, these chemicals can pose harm to us, especially our children and pets. 
  • They can also kill beneficial insects like bees, which we need to protect our local food supply.  Visit Metro’s Garden Problems page to learn about safe alternatives to chemicals and find out how to identify and remove invasive plants from your garden.  (




Sales and Discounts Metro Save $5 on native plants and trees Metro Coupon at local garden centers
Metro Native Plant Guidebook
Clean Water Services (WA County)  Free plants for Tualatin River Watershed streamside residents
City of Gresham & Fairview City of Gresham Healthy Streams Program Backyard Habitat Certification in Gresham. ** Mention KOIN TV when you sign up and receive an application reimbursement of $35.  Email Keri Handaly Other Resources: Oregon City Native and Nuisance Plant list
Clean Water Services Dig in and help keep our water clean.
City of Salem Learn about practical ways you can make a difference.
City of Lake Oswego Learn simple ideas for protecting our water.
Port of Portland Environmental programs Workshops: East Multnomah Soil and Water Conservation District  
Online Pesticide Directory Grow Smart, Grow Safe-An interactive directory to find safe alternatives to pesticides.
Metro's Online Calendar Metro's online calendar shows a full listing of all Metro natural gardening events sponsored by Do The Right Thing, plus other natural gardening events from around the region.
Natural gardening videos and how-to resources Get tips from Metro's natural gardening expert, download gardening guides and publications, watch videos and discover more great resources for learning to garden without harmful chemicals.
Shopping guides for gardeners Discover new resources for gardeners including reviews of lawn and garden products in the Grow Smart, Grow Safe guide and $5-off coupons for natural supplies and plants at 38 local retailers.
Natural gardening group presentations Schedule a free natural gardening presentation with a local garden expert for your club or community group.
Metro’s Online Calendar. Bring Back the Pollinators. Gresham Lawn and Garden Care.  
Clackamas, Multnomah and Washington Counties Household Hazardous Waste Disposal Hazardless Home Handbook (PDF, 865KB)
Outside of the Metro Region Call 1-800-RECYCLE OHSU Oregon Poison Center Request Mr. Yuck stickers by calling: 503-494-7799
Metro Metro Recycling Information 503-234-3000
Report illegal dumping City of Portland Spills Spill Hotline at 503-823-7180 Email
Lake Oswego Spills Weekdays (8:00 am to 5:00 pm) 503-675-3982) Outside normal working hours/weekends 503-635-0252 For Emergency response call 9-1-1
City of Gresham Spills Report hazardous spills by calling 9-1-1 Non-hazardous spills 503-618-2626 After hours 503-661-3906 Washington County Spills 24-hour response line 503-681-3600 If you would like to contact someone Click Here Email us at Ask Us< Oregon City Spills Weekdays (7:00 am to 4:00 pm) 503-657-8241 Outside normal working hours/weekends 503-655-8211 For Emergency response call 9-1-1
City of Fairview To report hazardous spills call 9-1-1 To report nonhazardous spills, illegal dumping, or other stormwater concerns call 503.665.9320
City of Vancouver/Clark County Washington Department of Ecology: Spill Line: (360) 407-6300 Oil Spills (Toll Free): 1-800-OILS-911 City of Vancouver Water Resources Protection: (360) 487-7130 City of Vancouver Operations Center: (360) 696-8177 City of Vancouver After Hours Emergencies (After 4:30 p.m. Monday-Friday or Weekends): (360) 693-9302
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