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Is Kailua Tap Water Safe to Drink?

Not Enough Data

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

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Can You Drink Tap Water in Kailua?

We don't have enough information to make a specific recommendation about the safety of drinking tap water in Kailua, Hawaii.

However, based on information from nearby locations, the average water score in Hawaii is a out of 100.

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 Kailua.

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

Click here to check out the water quality for Hawaii

The Kailua-Manoa-Lahaina water treatment plant is a major source of drinking water for the Kailua community. It is one of the largest public water systems in the United States and serves a population of about 2.6 thousand people. Many people in this small community live on farms and rely on the water supply for their daily lives.

One of the major problems that plague the Kailua-Manoa-Lahaina system is the contamination of its supply. The majority of the tap water that people in this community drink comes from wells. However, many of those wells have been found to be contaminated with bacteria, lead, and other harmful chemicals. These contaminants often cause a number of health issues and can even be fatal.

The reason that these chemicals are found in the water is because of the way that they are treated at the treatment plant. When water is first extracted from the wells, it is passed through an activated granular carbon filter. This filter removes lar

The estimated price of bottled water

$1.25 in USD (1.5-liter)


Kailua tap water
  • Drinking Water Pollution and Inaccessibility 14% Very Low
  • Water Pollution 32% Low
  • Drinking Water Quality and Accessibility 86% Very High
  • Water Quality 68% High

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

Related FAQS


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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