When it comes to choosing your facility’s plumbing system, understanding if a greywater reclamation system is best for you can go a long way. A greywater system collects the drainage from showers, sinks, lavatories, cooling tower blow down, and condensate drains. Unlike blackwater collected from toilets, urinals, sinks, and dishwasher drainage, greywater does not contain bio-wastes and is able to be reused for purposes other than human consumption. The treatment process required to reuse greywater is much less intensive, as compared to other systems.

A greywater system not only minimizes the water consumption of a building throughout its life span, but also satisfies partial water demand of the building, such as flushing toilets and urinals. However, it is important to know and estimate the amount of greywater to be treated based on the purpose and demand of the recycled water.

Recently, Southland’s project team at the UCLA Football Performance Center designed a greywater reclamation system for the facility. Providing an abundant source for greywater collection, the system features nearly 50 showers and over 25 lavatories and sinks. The design-build project presented a need for recycled water as a response to the critical drought situation in California. The center’s set up made the project a natural choice for greywater harvesting.

There are several different working parts to a reclamation plumbing system, including the various types of water collected and reused.

What aspects of a project do you look at before considering a greywater system? Let us know in the comments!

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  • Zay Soe

    Senior Design Engineer

    As a Senior Design Engineer, Zay Soe is responsible for the planning and designing of plumbing systems for administrative offices, healthcare, and government facilities. With over seven years of experience, he has designed multiple plumbing and medical gas systems and has earned responsibility for building plumbing load analyses, equipment selection, and preparing completed construction documents for all plumbing work.

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