Seattle based RainBank Rainwater Systems LLC is the Northwest distributor of Contain Water Tanks, serving Washington State, Oregon and Idaho.

Contain Water Systems Inc. Water Series tanks & accessories are designed and engineered for several applications. Rainwater harvesting, stormwater management, fire protection, irrigation, agricultural, mining, potable water and many other applications. Contain Water tanks are manufactured from high quality corrugated, hot dipped galvanized steel for superior strength and reliability.

Contain Water Systems Inc. Water Series Tanks include a full scale structural engineering package with each estimation designed to the seismic area in your project location throughout the USA & Canada. Contain Water Tanks are engineered to include 165 MPH wind speeds, durable snow loads and seismic forces at specific project locations. Contain Water Systems Inc. water series tanks & accessories are backed with a 20-year warranty! Extensive engineering to national design codes make the Contain Water Tank extremely adaptable to any climate, landscape type, or building facility.

Contain Water Tanks & accessories are packaged efficiently as well as easily transported into hard to reach locations or building facility. Each tank is custom built, unique to the customer’s needs and assembled at the project site by qualified Contain Water Systems Inc. certified installers. Contain Water Systems water tanks range from 6 ft. to 180 ft. in diameter and up to 400 feet in diameter as an open top tank.

Most Popular Tank Applications

• Fire Protection Water Storage Tanks
• Bulk Storage Tanks
• Wastewater Tanks
• Stormwater Management
• Treatment Tanks
• Mining, Minerals & Quarry Bins
• Clarifier Tanks
• Irrigation Water Tanks
• Industrial Liquid Storage & Processing Tanks
• Aquaculture Fish Brooding Tanks
• Rain Cisterns & Tanks
• Thermal Storage & Water Cooling Tanks
• Brewery & Winery Tanks
• Greywater Tanks
• Agriculture Water Storage Tanks
• Sand Filter Tanks
• Potable Water Storage Tanks
• Enclosures, Canopies, Houses, Cabins

Contain Water Systems Inc. is the only manufacturer that carries a 20-year warranty and offers a through the liner, grade level access. 

 RainBank Rainwater Systems LLC has 15 years of steel water storage tank construction in Washington State and is now offering an alternative in the corrugated steel water tank market in Washington, Oregon, and Idaho. At RainBank Rainwater Systems LLC and Contain Water Systems Inc. we service what we sell and hold a strong dedication to commitment and quality. Contact our team to see how we can assist your project.

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Ken Blair

President at RainBank Rainwater Systems

A rainwater collection systems designer and consultant, Ken has designed and installed residential and commercial systems, primarily in the northwest United States for more than 10 years and, in 2014, began consulting and managing builds in other states. Ken is an accredited ARCSA Professional Designer / Installer and Life Member, the Northwest Regional ARCSA representative and advisor to its education committee and is available to speak about Rainwater Collection Systems design and builds.

Ken is a United States Navy veteran, having served on active duty during the Vietnam War era.

A career entrepreneur, Ken created a new business focus with a commercial dive company in Hawaii in the mid 1980′s to respond to and clean up oil spills, oil spill equipment training, service and maintenance for the oil co-op service industry. Ken is passionate about having a positive impact on the environment and is also a founding director of BANK-ON-RAIN (2011-2014), whose mission is to create grassroots solutions for rainwater collection for consumption and agriculture in developing areas of the planet.