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Hygienic conditions in Pompeii's early baths were poor, according to isotope analysis

Pompeii’s transition from wells to a Roman aqueduct increased water volume and bathing hygiene despite intermittent lead contamination, researchers said.

  • On January 13, a PNAS study led by Dr. Göl Sürmelihindi found isotope analysis shows Pompeii's Republican Baths water was contaminated with human waste, indicating poor hygiene.
  • Pulling water from deep wells using slave-powered treadwheels meant only 900 to 5,000 litres per hour were drawn, refreshing Republican Baths about once daily.
  • Analysis of stable isotopes and trace elements showed calcium carbonate deposits from aqueducts, water towers, well shafts, and bath pools had distinct signatures and oxygen isotope shifts after renovations.
  • The Roman aqueduct delivered 167,000 litres per hour, allowing expansion of baths but lead-contaminated pipes and street fountains caused unequal access between wealthy residents and poorer residents.
  • Study findings may help resolve the Avella/Aqua Augusta debate and cyclic carbon-isotope patterns could record Mount Vesuvius activity before AD 79, refining Pompeii's water-management narrative.
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In the oldest public baths in Pompeii, known as Republican Baths and dating back to the pre-Roman era, around the year 130 BC, the water coming from deep underground wells of volcanic origin was barely changed once a day.Keep reading...

·Granada, Spain
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Due to luxury spa: water had to be drawn in the early Pompeii and was therefore rarely changed in bathing facilities. Researchers have found residues of sweat, skin tallow and urine.

·Germany
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Anti-Aging, Acupuncture and Health News broke the news in on Monday, January 12, 2026.
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