Code Innovations Database documents lessons learned from composting toilet pilot projects

If you are looking for precedents of innovative approaches to next generation water and wastewater infrastructure check out the Code Innovations Database. Recode, Molly Winter, has contributed several case studies including one on a composting toilet pilot project in Cape Cod and a mo
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Urine Diversion Variance Request to Mass. State Board of Plumbers

This excellent presentation was researched and compiled by Sia Karplus of Science Wares Inc. in Falmouth, Massachusetts. Everything you've ever wondered about specifying, installing and maintaining urine diverting toilets including diagrams and user feedback.
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Comparing Nitrogen Reduction Standards: Oregon & Elsewhere

Recent concerns over nitrates (think urine) in groundwater and surface waters have driven tighter regulations on nitrogen discharge. This document compares the different standards from around the world using the same unit of measurement so you can compare apples to apples. Performance
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Where Do Septic Tank Plumes Go?

Contrary to common perception septic tank system effluent plumes do NOT readily disperse into the groundwater. Rather effluent plumes (i.e. urine and graywater) move with the direction of groundwater as discrete plumes for miles undiluted. The closer houses are the higher chance of a
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Septic Tanks Demystified

How do septic tanks work? A third of all Americans use them, but few understand how they work or that their performance depends on maintenance and the quality of their subsoil.
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