Clearly Better Water
Solving Hawaii’s Residential & Commercial Water Quality Concerns Since 2006.
We Sell And Service
Water Softeners
Dramatically improve the composition of your water, giving you a silky-smooth texture – day in and day out!
Water Filters
Improves the overall taste of your water with every glass, fresh, crisp and refreshing!

Free Water Analysis
There is no one size fits all solution to water treatment. The correct solution for your home or business is always custom tailored to fit your unique and specific water quality issues and needs. We provide a FREE, no obligation water analysis for new residential customers. What are you waiting for? Click or call us to start experiencing CLEARLY BETTER WATER.
Why Choose Water Group 7?
There’s science and an art to providing you with the quality water you deserve. In fact, when you break it down, our formula for your household is simple: More efficient water leads to a more efficient home/business.
As an exclusive dealer of the Evolve Brand, we offer a complete line of cutting-edge water treatment systems that deliver clean, high-quality water to your home or business. Evolve® water treatment systems fulfill your families or business water needs with the highest level of innovation, efficiency and versatility.
After all, better science makes brilliant water and that’s CLEARLY BETTER WATER.
Our Process

What We Do
Our expertise and best in class equipment provides solutions to problem water ranging from water hardness, water spots/staining, foul taste and odor issues in drinking water. We service the water quality needs of small residential customers to large commercial clients and everything in-between. We sell, service and maintain the following equipment:
- Water filtration systems
- Water softeners
- Reverse osmosis water purification systems
- Bottle-free water coolers.
Our service area includes the five major Oahu districts and include the cities listed in the box the right:
- Honolulu
- The Windward Coast
- Central Oahu
- The Leeward Coast
- North Shore
Ahuimanu | Kalaeloa | Royal Kunia |
Aiea | Kaneohe | Schofield Barracks |
East Honolulu | Kaneohe Station | Wahiawa |
Ewa Beach | Kapolei | Waialua |
Ewa Gentry | Ko Olina | Waianae |
Ewa Villages | Laie | Waikele |
Halawa | Maili | Waimalu |
Haleiwa | Makaha | Waimanalo |
Hauula | Makaha Valley | Waimanalo Beach |
Honolulu | Makakilo | Waipahu |
Hickam Housing | Mililani Mauka | Waipio |
Iroquois Point | Mililani Town | Waipio Acres |
Kaaawa | Mokuleia | West Loch Estate |
Kahaluu | Nanakuli | Wheeler AFB |
Kahuku | Ocean Pointe | Whitmore Village |
Kailua | Pearl City |
About Water Group 7
We are a locally owned and family operated small business serving the water quality needs of residential customers, commercial clients and government entities since 2006. Improving the quality of your water is our passion and we are committed to only offering best in class equipment. Our recommendations will always be properly sized for your specific water quality needs and concerns.
Our knowledge in this industry ensures that your decision to invest in our equipment, our people and our full line of service will result in CLEARLY BETTER WATER.

