Design Solution · Water Management
Design Solution · Dream about it
Pre-packaged graywater recycling station for commercial toilet flushing and irrigation reuse.
Greyter integrates coarse filtration, biological/chemical treatment, and UV disinfection into a factory-assembled pump station, eliminating on-site design and commissioning complexity. It addresses potable water waste in commercial buildings by treating graywater to non-potable reuse standards. The T. Rowe Price deployment achieved 1.55M gallons/year offset and LEED Platinum support with third-party verification.
Greyter integrates coarse filtration, biological and chemical treatment, and UV disinfection into a factory-assembled pump station designed to treat commercial building graywater to non-potable reuse standards for toilet flushing and irrigation, removing the on-site design and commissioning complexity that typically makes site-built graywater systems commercially unattractive. The T. Rowe Price deployment — 1.55 million gallons per year offset, LEED Platinum support, third-party verified by Ferguson and NSF — is a meaningful reference for a category where performance claims often lack verification. The critical obstacle sits at the top of the risk register: Greyter lacks NSF/ANSI 350 Class C certification, which is a regulatory requirement in the majority of US jurisdictions. Without that certification, deployment depends on securing a variance or alternative compliance pathway, which is not a routine process and adds project timeline risk that can easily outweigh the water-saving benefit in cost-sensitive developments. Dual plumbing infrastructure is a non-trivial first-cost hurdle in any retrofit context. The ongoing maintenance burden — filter replacement, biological treatment monitoring, UV lamp management — converts what looks like an infrastructure asset into an operated system requiring trained facility management. Beyond the single T. Rowe Price case study, deployment data are thin, and payback period and ongoing treatment chemical costs are not disclosed. The strongest case is a new-build commercial project in a water-stressed jurisdiction where regulators are receptive to alternative compliance pathways and a committed FM team is in place from day one.
T. Rowe Price deployment is independently corroborated (Ferguson Waterworks, NSF.org). Residential Greyter HOME holds NSF/ANSI 350 Class R (2019). Commercial Class C certification was not detected in public NSF registry—critical regulatory claim requires verification. No independent third-party performance audits, longevity data, or maintenance cost studies found. Proprietary IoT platform reduces transparency on uptime/reliability. Manufacturer marketing materials emphasize savings; actual payback period and real-world treatment efficacy under varying load/water quality conditions remain unaudited.
#graywater_recycling #water_reuse #packaged_treatment #non-potable_supply #LEED