Water Providers in Hawaii

• Board Of Water Supply - Mililani
• Department Of Water Supply County Of Hawaii
• Department Of Water Supply Maui
• Kauai Water Department - Lihue-Kapaa
• Maui County Water
• Pearl Harbor Water
• Wahiawa Water
• Wailuku Water Company
• Waterworks Hilo

Water Providers by City

• Hilo City
• Honolulu
• Honolulu City
• Kapaa
• Lahaina City
• Lihue
• Makawao City
• North Kona
• Wailuku

Water Providers by County

• Hawaii County
• HONOLULU
• Honolulu County
• Kauai County
• Maui County

Latest Updates

Utah's Water Quality Scores a B+

By darrell on 11/28/2020

Utah earned a B+ in water quality from WaterZen. How does Utah's grade compare to neighboring states?

WaterZen Grading Methodology

By dave on 11/26/2020

WaterZen.com has assigned a letter grade for the water quality of nearly 1,500 water providers across the US. Here's our methodology.

The Safe Water Drinking Act of 1974 and Water Safety Standards in the United States

By darrell on 3/31/2020

Learn all about the water regulations and reasons behind the Safe Drinking Water Act of 1974 passed by Congress to ensure that Americans have clean drinking water.

Seven Fascinating Facts About Water

By darrell on 3/31/2020

How much do you know about water? Here are seven fascinating facts about H20.

Nine Factors to Consider When Buying a Five-Gallon Water Dispenser

By darrell on 3/28/2020

Five-gallon home dispensers are a perfect option for home water storage. Here’s what you should know before buying any 5-gallon water dispenser or cooler.

Six Key Things to Consider When Purchasing a Whole-House Humidifier

By darrell on 3/26/2020

Buying a whole-house humidifier can be a daunting task if you're a first-time buyer. Here are six key things to consider when buying a humidifier.

Seven Important Things to Consider about Electric Tankless Water Heater Installation

By darrell on 3/26/2020

An electric tankless water heater installation needs expert guidance. Here are some important tips to remember before, during, and after the installation.

Fluoride in Water: The Benefits and Risks of Fluoridation in Water

By darrell on 3/26/2020

Fluoridation of public water contributes to dental and bone health for most Americans. Find out more about the pros and cons of fluoride in this article.

Five Things to Know About Collapsible Water Bottles

By admin on 3/21/2020

Are you planning to buy a collapsible water bottle? Here are five things you may not have known about these unique, flexible bottles.

What Are the Harmful Consequences of Iron in Water?

By darrell on 3/6/2020

If the water in your home has a metallic taste or a brownish color, it might have a high amount of iron in it. Learn about the negative impacts of iron in water.