Plumbing
Our plumbing capability covers a range of projects — from simple to sophisticated. We design efficient, integrated plumbing systems with advanced solutions for water conservation, reclamation, and treatment. We also have expertise in specialized plumbing systems for process, manufacturing, and medical facilities. Tap into it.
- Water/waste distribution & collection
- Greywater conservation
- Treatment: reclaim and recycling
- Rainwater harvesting system design
- Solar thermal system design
Plumbing Design Projects








News & Awards

New Office
Bend, ORSince completing our first project in Bend, Oregon in 1976, Interface Engineering has built a strong legacy of delivering high-performance engineering solutions across Central…
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ACEC California 2025 Engineering Excellence Awards
The Golden Gate National Recreation Area – China Beach Parking and Beach Access Project, located in San Francisco’s Sea Cliff neighborhood, has received a Commendation Award in…
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16th Biennial BDA Design Awards
The Berkeley Commons corporate campus, located at 600 Addison Street in Berkeley, California, received an Honor Award at the 16th Biennial BDA Design Awards, presented by Berkeley…
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Embassy of Australia Winner Institutional Category
2024 IIDA Design CompetitionRecently completed, the Embassy design draws inspiration from the Australian landscape and has been crafted with sustainable materials, while embodying a future-forward aesthetic…
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