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Portland Water Bureau

From forest to faucet, we deliver the best drinking water in the world.


1120 SW Fifth Ave, Suite 600, Portland, OR 97204

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Requests to State of Oregon to Suspend Enforcement of LT2 Compliance

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Portland Water Bureau Requests that State of Oregon Suspend Enforcement of LT2 Compliance

Today, based on the EPA's recent announcement that they would be reviewing the LT2 rule as it pertains to open finished drinking water storage, David Shaff, Administrator of the Portland Water Bureau, submitted a letter to the Oregon Health Authority Drinking Water Program requesting that the State indefinitely suspend enforcement of the City's approved LT2 compliance schedule for the City's open reservoirs until the EPA completes its review to enable the City to consider other methods of compliance that may result from the EPA review of the rule.

Read the letter here:

Some of Our Favorite Things: Animals in Pools

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Some of Our Favorite Things

Animals in Pools  (Located on Yamhill and Morrison between SW 5th and 6th) are 10 fountains with 25 bronze sculptures of Pacific Northwest animals that were installed in 1986 for the Local Improvement District for the MAX light rail. Designed by Georgia Gerber, they are a delight to downtown passers by.

Best practices for outdoor irrigation

Water your landscape efficiently this summer

Summer landscape irrigation is an importantpart of creating vibrant outdoor spaces – but it takes time and costs money. 

A well-designed and well-maintained irrigation system will use water efficiently while creating a healthy landscape for years to come.

How you choose to irrigate depends on your budget, the type of plants you have, and size of your landscape. Regardless of what you use to irrigate - a hose, drip, or automatic irrigation system - there are several best practices that are important to follow:

 Best Practices for Irrigation

  • Prepare the soil to ensure proper drainage and water- holding capacity by adding organic materials such as compost. Healthy soil needs less water than poor soil.
  • Group plants with similar irrigation needs together and research plants that are appropriate for the location and condition of the site.
  • Water when the potential for evaporation is low – late in the evening and early in the morning.
  • Actively manage and maintain your irrigation system. Check regularly for leaks and misdirected spray.
  • Use a watering gauge (or tuna can) to help you water lawns 1 inch of water per week (more during long, hot dry spells). Water lawns separately from other plants. A good rule-of-thumb for watering your landscape is to apply 50% of what you put on grass, on perennials and shrubs, and 75% for vegetables (although new starts require more water).

To get helpful brochures on general landscape planning and maintenance, or information on finding an irrigation contractor visit

Also visit to sign up for the Weekly Watering Number