ASSE 1087-2026
Performance Requirements for Commercial WaterTreatment Equipment Utilizing Drinking Water
ANSI Approved: July 2026
Plumbed water treatment units include any device or component, point-of-entry and point-of-use, that is used in a building to improve the quality of the water. This standard covers all water treatment products that are connected to the building’s potable water plumbing system. This standard is not intended to cover water treatment products used for process water or wastewater applications. Examples of water treatment equipment include deionizers, filters, softeners, reverse osmosis assemblies, ultraviolet systems, ozone systems, and distillers. This standard is not intended to cover residential water treatment device.
A downloadable version of this standard is also available.
