Talking Heads: What Toilets and Sewers Tell Us About Ancient Roman Sanitation

Ann Olga Koloski-Ostrow, Brandeis University

I’ve spent an awful lot of time in Roman sewers – enough to earn me the nickname “Queen of Latrines” from my friends. The Etruscans laid the first underground sewers in the city of Rome around 500 BC. These cavernous tunnels below the city’s streets were built of finely carved stones, and the Romans were happy to utilize them when they took over the city. Such structures then became the norm in many cities throughout the Roman world.

Focusing on life in ancient Rome, Pompeii, Herculaneum and Ostia, I’m deeply impressed by the brilliant engineers who designed these underground marvels and the magnificent architecture that masks their functional purpose. Sewer galleries didn’t run under every street, nor service every area. But in some cities, including Rome itself, the length and breadth of the main sewer, the Cloaca Maxima, rivals the extent of the main sewer lines in many of today’s cities. We shouldn’t assume, though, that Roman toilets, sewers and water systems were constructed with our same modern sanitary goals in mind.

The streets of a Roman city would have been cluttered with dung, vomit, pee, shit, garbage, filthy water, rotting vegetables, animal skins and guts, and other refuse from various shops that lined the sidewalks. We moderns think of urban sewers as the means to remove such filth from streets – and of course flush away human waste that goes down our toilets.

Researching Roman urban infrastructure for my new book The Archaeology of Sanitation in Roman Italy made me question whether the Romans shared the same vision. The archaeological evidence suggests that their finely constructed sewer systems were more about drainage of standing water than the removal of dirty debris. And Romans’ sense of cleanliness and privacy around bathroom matters was quite different from our tender modern sensibilities.

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