Category Archives: Water Tanks

Rainwater Catchment, Water Tanks

Water Storage Systems for Fire Suppression and More

Since early 2016, when RainBank launched its distributorship and  relationship with Contain Water Systems, we had high hopes for properly serving the steel water tank market for water storage systems used in fire suppression, detention / infiltration, irrigation, stormwater management, rainwater collection and yes, even potable drinking water.

In this time, both commercial and residential customers have come to expect quality products as well as knowledgeable staff provided by RainBank and CWS.

Contain’s highly trained expert staff and leadership have exceeded our expectations in workmanship and knowledge, with exceptional and courteous customer service. 

For more information about Contain Water Systems, please view the video below. They truly live by their motto: “Building relationships strong as steel”.

Contain designs liquid storage solutions, handcrafted from start to finish.

For more information about steel water tanks and to request a quote, don’t hesitate to contact us at RainBank Rainwater Systems.

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Rainwater Catchment, Water Tanks

Steel Tanks Without a Middleman


Close-up of a worn, metallic fountain pen nib on a black surface.RainBank Rainwater Systems, a Seattle based company, is the distributor for Contain Steel Water Tanks.Contain tanks carry a 20 year warranty, unmatched by competitors. Because we are a Contain Tank distributor, we have eliminated the middleman (dealer) and pass the coast savings on to the customer.

We sell and install quality corrugated steel water tanks throughout the Pacific Northwest. With over 15 years of commercial and residential sales and installations of fire suppression tanks and Rainwater collection tanks, RainBank Rainwater Systems and Contain Steel Water Tanks have the experience to get the job done right – and on time.

When you purchase a steel water tank from RainBank, you get:

  • Highest quality products
  • Contain Water Systems tanks are backed by a 20-year warranty, which issignificantlylonger than anything else found on the market.
  • Tanks are engineered to meet seismic code compliance.
  • Tanks come with a standard engineering package and all models have the option to be wet sealed and stamped upon request.
  • Tanks comewith a geotextile pre-liner and flexible membrane liner for potable and non-potable applications with tank liners secured to the walls with engineered brackets.
  • Tank sizes range from 6 feet to 48 feet in diameter, with capacity up to 428,602 gallons.
  • Tanks are field erected by certified installers.

Click here to read more about how Contain Tanks and RainBank can eliminate the middleman for your next project and contact us using the convenient form below:

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Water Tanks

Are Steel Water Tanks Affordable?

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Whether your Seattle area project is commercial or residential, rainwater collection or fire suppression, an affordable Contain Water Systems corrugated water tank, sold and installed by the RainBank Rainwater Systems team, is a quality choice, even if you’re just at the design stage.

RainBank Rainwater Systems of Seattle has brought back affordability and excellence to the steel water tank market in Washington State. Contact us to learn how affordable a steel water tank is for your project.

With more than 15 years of experience building other manufacturers’ corrugated steel water tanks, RainBank has teamed with Contain Water Systems Inc. to set a new standard of ” building relationships as strong as steel”.

Close-up of a worn, metallic fountain pen nib on a black surface.A 20 year warranty on all Contain water tanks is unmatched by other manufacturers’. On-site project management by RainBank’s chief operations manager assures a safe, on time, quality install. Optional lifting capabilities allow construction in the most difficult circumstances. The industry’s only through the liner access panel option eliminates confined space entry.

Drop us a note about your project needs. We look forward to working with you on your next steel water tank project.

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This article was originally published in February 2017.