Backflow Assembly Testing
See what an assembly test covers.
Commercial property management
National facility shares can help organize a portfolio, but they cannot tell you which assembly or fixture at your property needs attention.
Primary keyword: commercial facility water use by building type
Key Takeaways
EPA WaterSense estimates that office buildings account for approximately 9% of U.S. commercial and institutional facility water use, hospitals and other health care facilities 7%, hotels and other lodging businesses 15%, hospitality and food service establishments 15%, and educational facilities 6%. These are shares of the national commercial and institutional total. They are not the percentage of water used inside any one building, and they should not be added up as if these five categories were the entire sector.
The more useful lesson for a portfolio manager is that a standard checklist needs property-specific details. EPA identifies restrooms, heating and cooling, and landscaping as major uses in offices. Hotels add laundry and kitchens; restaurant kitchens lead their water use. A hospital or school brings a different operating schedule and equipment mix.
Start with facts you can verify from maintenance records, utility notices, and a walk-through with the responsible facility team. Do not infer a property's consumption or compliance status from an EPA national percentage.
A water-use review may identify leaks or opportunities for more efficient equipment. It does not replace backflow assembly testing. Likewise, a completed assembly test does not measure how much water a building uses. Treat them as related but separate workstreams in the same property record.
For backflow work, use the serving water supplier's requirements and the property's actual notices to establish which assemblies need testing and when. If a test fails, retain the test result, corrective-work record, and any required follow-up result. A multi-location account benefits from one reporting format, but each address still needs its own evidence.
Choose a small sample of properties with different uses, such as an office, a hotel, and a restaurant. Compare their actual records, not just their sector labels. Where documents are missing, identify the utility and the assembly before deciding what service to request. This is more useful than ordering identical work across every address on a national assumption.
Backflow Test Pros handles backflow testing and assembly repair or replacement for properties in its service area. Share the property addresses, utility notices, and available reports so the team can scope the backflow work. A qualified plumbing professional should review fixture or water-efficiency work outside that scope.
Source: U.S. EPA WaterSense, Types of Facilities, https://www.epa.gov/watersense/types-facilities, checked September 25, 2026. BFTP research workbook Commercial Facility Bank row 4 and Stats Repository row 65. EPA's facility shares describe U.S. commercial and institutional water use, not an individual property's consumption, a California market share, or a backflow testing rule.