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We continue to clean up the language of waste disposal as well as the wastes themselves.

Sanitary Engineers have been elevated to Environmental Engineers.

Sewage Lagoons smell better as Oxidation Ponds.

Sewage Sludges have morphed into less threatening Biosolids.

Co-mingled with a ever-increasing diversity of waste products, sewage now emerges as, simply, wastewater.

 

Can you think of other examples of the sanitation of the language of human waste management?

 

A Brief (Illustrated) History of Human Waste Disposal -- and its possible future.

Part 1. Cesspits & Outhouses
Part 2. Toilets & Water Carriage

Part 3. Sewerage
Part 4. Sewage Treatment

Part 5. Wastewater Treatment (attached pps)
Part 6. The Future: Wastewater Reclamation