What did Joseph Bazalgette discover
David Craig
Updated on April 14, 2026
Sir Joseph William Bazalgette was a civil engineer in the 19th century who built London’s first sewer network (still in use today), which helped to wipe out cholera in the capital. He also designed the Albert, Victoria and Chelsea embankments, which housed the sewers, in central London.
What was Joseph Bazalgette famous for?
28 March 2019 is the 200th birthday of Joseph Bazalgette, the Victorian engineer who masterminded London’s modern sewer system. Learn how Bazalgette helped clear the city’s streets of poo, and how you’re still benefiting from his genius every time you flush.
How did Joseph Bazalgette impact public health?
Joseph William Bazalgette made probably the single biggest contribution to the health of Victorian Londoners. It is because of his work that the Thames is now the cleanest metropolitan river in the world. And it’s because of him that cholera, along with other diseases such as typhoid, are now part of British history.
What did Sir Joseph Bazalgette do to end the cholera epidemic?
As chief engineer of London’s Metropolitan Board of Works, his major achievement was the creation (in response to the Great Stink of 1858) of a sewerage system for central London which was instrumental in relieving the city from cholera epidemics, while beginning to clean the River Thames.What did Joseph Bazalgette do in the Great Stink?
Bazalgette provided for extreme weather with overflows into the river, to prevent the flooding of homes and streets. And those overflows are now being used more than ever – around 50 times a year – dumping raw sewage under the noses of present-day MPs in Westminster.
What did a Tosher do?
A tosher is someone who scavenges in the sewers, a sewer-hunter, especially in London during the Victorian era. The word tosher was also used to describe the thieves who stripped valuable copper from the hulls of ships moored along the Thames.
Who invented sewer?
The Minoans built latrines connected with vertical chutes to an elaborate stone sewer system. The Persians, Athenians, Macedonians, and Greeks also built impressive sewer systems. The Romans integrated earlier sewer innovations into the cloaca maxima, first built around 800 BC.
Why is John Snow important?
John Snow (shown below) was a physician in London who spent several decades studying cholera in a systematic way. He is most often credited with solving an outbreak of cholera that occurred in London in 1854 (the outbreak is described below), but his studies of cholera were much more extensive than that.How did J Snow and J bazalgette contribute to cleaning up London?
Joseph Bazalgette, civil engineer and Commissioner of the Board of Works, was contracted to design a revolutionary system of intercepting sewers, pumping stations and treatment works that would cleanse the River Thames, sustain the cities growing population and inadvertently eradicate cholera in London indefinitely.
Who Solved cholera?John SnowCitizenshipBritishAlma materUniversity of LondonKnown forAnaesthesia Locating source of a cholera outbreak (thus establishing the disease as water-borne)Scientific career
Article first time published onWhat was Joseph Bazalgette greatest achievements?
Sir Joseph William Bazalgette was a civil engineer in the 19th century who built London’s first sewer network (still in use today), which helped to wipe out cholera in the capital. He also designed the Albert, Victoria and Chelsea embankments, which housed the sewers, in central London.
When did John Snow discover cholera?
But it was not until 1854 that the physician John Snow (1813-1858) made a major contribution to fighting cholera when he was able to demonstrate a link between cholera and the contaminated drinking water through his pioneering studies.
How did Joseph Bazalgette build the sewers?
By 1866 most of London was connected to a sewer network devised by Bazalgette. He saw to it that the flow of foul water from old sewers and underground rivers was intercepted, and diverted along new, low-level sewers, built behind embankments on the riverfront and taken to new treatment works.
Who caused the Great Stink?
For centuries the River Thames had been used as a dumping ground for the capital’s waste and as the population grew, so did the problem. The hot summer of 1858 elevated the stench to an unbearable level and resulted in an episode known as ‘The Great Stink’.
What did people believe caused the Great Stink?
The source of what’s now known as the Great Stink was the River Thames, into which the city’s sewers emptied. … Then, in the summer of 1858, a heat wave hit the city and caused the extraordinary amount of waste within the river to ferment, which made the river smell worse than it ever had before.
Why was Victorian London so smelly?
The Great Stink was an event in Central London in July and August 1858 during which the hot weather exacerbated the smell of untreated human waste and industrial effluent that was present on the banks of the River Thames.
How do you get rid of a Fatberg?
First we have to break the fatberg up into smaller chunks. To do this, we use special water jets which process 10-gallons-per-minute, at a pressure of 3,000psi. The broken up fatberg pieces are then removed from the pipe by manual excavation, powerful vacuumation tanker units, or a combination of both.
Who argued that the history of man is revealed in the history of sewers?
Two nineteenth century Frenchmen, Victor Hugo and Georges Haussmann, revealed the stakes involved in their very different works on Paris. Hugo tells us that “The history of mankind is reflected in the history of waste disposal [cloaca].” He leads the reader of Les Misérables through the medieval bowels of Paris.
Did Romans invent sewers?
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.
What was a Tosher in England?
tosher in British English (ˈtɒʃə) 1. archaic. a person who scavenged in the sewers in Victorian London.
How much did a Tosher earn each day?
The toshers earned a decent living; according to Mayhew’s informants, an average of six shillings a day–an amount equivalent to about $50 today.
What did toshers wear?
Much like rag pickers, toshers were instantly recognizable. They wore canvas trousers, aprons with large pockets, and lanterns strapped to their chests. Their picking tool was a long pole with a hoe at the end.
What did Dr John Snow discover was the source of cholera in London in 1854?
Snow believed sewage dumped into the river or into cesspools near town wells could contaminate the water supply, leading to a rapid spread of disease. In August of 1854 Soho, a suburb of London, was hit hard by a terrible outbreak of cholera.
How did England clean the Thames?
Diverting sewage fixed the smell, but the river became dead. Another mission to clean the Thames was undertaken in 1960. This further improved sewage treatment, industrial discharges were removed, oxygen levels increased, and biodegradable detergents came into use.
What did William Farr discover?
Farr developed a classification of causes of death, constructed the first English life table, and made major contributions to occupational epidemiology, comparing mortality in specific occupations with that of the general population.
What do epidemiologists do?
Epidemiologists are public health workers who investigate patterns and causes of disease and injury. They seek to reduce the risk and occurrence of negative health outcomes through research, community education and health policy.
What caused cholera outbreak?
It is caused by eating food or drinking water contaminated with a bacterium called Vibrio cholerae. Cholera was prevalent in the U.S. in the 1800s, before modern water and sewage treatment systems eliminated its spread by contaminated water.
How old is John Snow?
Tributes have been paid to Jon Snow, known to TV viewers for his loud ties and calm anchoring of Channel 4 News for more than three decades, as the 74-year-old journalist signed off on his last programme.
How did cholera start?
The first cholera pandemic emerged out of the Ganges Delta with an outbreak in Jessore, India, in 1817, stemming from contaminated rice. The disease quickly spread throughout most of India, modern-day Myanmar, and modern-day Sri Lanka by traveling along trade routes established by Europeans.
When did London get a sewer system?
Parliament was forced to hurriedly legislate to create a new unified sewage system for London. The Bill became law on 2 August 1858. Sir Joseph Bazalgette (1819-1891).
Why is John Snow the father of epidemiology?
In the mid-1800s, an anesthesiologist named John Snow was conducting a series of investigations in London that warrant his being considered the “father of field epidemiology.” Twenty years before the development of the microscope, Snow conducted studies of cholera outbreaks both to discover the cause of disease and to …