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Is Portland Tap Water Safe To Drink?

Yes! Generally Safe to Drink*

LAST UPDATED: 12:53 pm, April 8, 2021

Table of Contents

Can You Drink Tap Water in Portland?

Yes, tap water is drinkable.

Tap Safe includes data from many publicly available sources, including the WHO (World Health Organization), CDC (Center for Disease Control), and user submitted databases, but unfortunately there's not enough data about Portland.

To see user submitted ratings of the water quality for Australia, see the "User Submitted Ratings" box on this page.

The drinking water of Portland Australia is one of the best in the world. The city is a large metropolis and therefore, its tap water is treated to provide a high quality of water that meets all the government standards.

The water supply of Portland Australia is a system of pipes and pumping stations where water from dams is fed into an underground water system. The main source of water is the River Willow, which has the largest water reservoir in the state. Water from this reservoir then feeds the city through a number of pipes that are linked together.

This type of water is free from any type of contaminants. It is also known as being one hundred percent pure water.

The filtration process of the water supply is very simple. There is no biological filtering, so none of the microbes are removed from the water. The result is that there are no harmful chemicals or other impurities in the water.

In addition to providing the pures

The estimated price of bottled water

$1.66 in USD (1.5-liter)


Portland tap water
  • Drinking Water Pollution and Inaccessibility 7% Very Low
  • Water Pollution 43% Moderate
  • Drinking Water Quality and Accessibility 93% Very High
  • Water Quality 57% Moderate

The above data is comprised of subjective, user submitted opinions about the water quality and pollution in Portland, measured on a scale from 0% (lowest) to 100% (highest).

Related FAQS


Portland Water District - Greater Portland

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Maine Department of Health and Human Services - Division of Environmental Health, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the U.S. EPA (January 2019 - March 2019), tap water provided by this water utility was in compliance with federal health-based drinking water standards.

Utility details

  • Serves: 136945
  • Data available: 2012-2017
  • Data Source: Surface water
  • Total: 9

Contaminants That Exceed Guidelines

  • Chromium (hexavalent)
  • Total trihalomethanes (TTHMs)

Other Detected Contaminants

  • Barium
  • Chlorate
  • Fluoride
  • Haloacetic acids (HAA5)
  • Nitrate
  • Strontium
  • Uranium


Always take extra precautions, the water may be safe to drink when it leaves the sewage treatment plant but it may pick up pollutants during its way to your tap. We advise that you ask locals or hotel staff about the water quality. Also, note that different cities have different water mineral contents.

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