Public Health & Fighting Cholera in the 19th Century
The Problem: Disease in Industrial Britain
By the mid-nineteenth century, Britain’s towns and cities were overcrowded, filthy, and deadly. The Industrial Revolution had drawn millions of workers into urban areas, but housing, sanitation, and water supplies had not kept pace. Streets were filled with human waste, factories dumped chemicals into rivers, and families shared cramped, damp housing. These conditions created the perfect breeding ground for epidemic diseases, especially cholera.
Cholera first arrived in Britain in 1831 and returned in devastating outbreaks in 1848–49, 1854, and 1866. It killed quickly — a healthy person could be dead within hours of the first symptoms. Tens of thousands died, and the disease terrified rich and poor alike because nobody understood what caused it.
Most people believed cholera was caused by miasma — bad air from rotting waste. John Snow challenged this in 1854 by proving cholera was spread through contaminated water, not through the air.
John Snow & the Broad Street Pump (1854)
During the 1854 cholera outbreak in Soho, London, Dr John Snow carefully mapped the deaths in the area. He noticed that the deaths were clustered around a single water pump on Broad Street. Snow interviewed local residents and discovered that nearly all the victims had drunk water from this pump. He also found that workers at a nearby brewery, who drank beer rather than water, had not caught cholera.
Snow persuaded the local authorities to remove the handle from the Broad Street pump on 8 September 1854. By then cases were already falling, because many people had fled and the outbreak was burning out. Snow had provided compelling evidence that cholera was a waterborne disease, spread by contaminated water — not by miasma.
Despite Snow’s evidence, many doctors and officials refused to accept his findings. The miasma theory was deeply entrenched, and Snow could not explain why the water caused disease — Germ Theory had not yet been published (Pasteur’s work came in 1861). The government was also reluctant to accept responsibility for providing clean water, as this would require expensive infrastructure.
After the epidemic subsided, the pump handle was quietly replaced. It was only after the Great Stink of 1858 — when the Thames smelled so foul that Parliament itself was affected — that the government finally invested in a modern sewer system, designed by Joseph Bazalgette.
The Role of Government: Public Health Acts
The question of whether the government should intervene in public health was fiercely debated throughout the 19th century. Many believed in laissez-faire — the idea that government should not interfere in people’s lives. Others argued that only the government had the power and resources to tackle the causes of epidemic disease.
Chadwick’s Report
Edwin Chadwick published his report on sanitary conditions, linking poverty, filth, and disease. He argued for government-funded improvements to sewers, drains, and water supplies.
First Public Health Act
Allowed (but did not require) local councils to set up boards of health and improve sanitation. Many councils ignored it.
John Snow & Broad Street Pump
Snow proved cholera was waterborne. His work provided crucial evidence for public health reform, even though it was not immediately accepted.
The Great Stink
The Thames smelled so badly that MPs soaked the curtains of Parliament in chloride of lime, but Parliament kept sitting. The government funded Bazalgette’s new sewer system for London.
Second Public Health Act
Made it compulsory for local councils to provide clean water, proper sewerage, and employ a Medical Officer of Health. A major turning point in government responsibility for public health.
The Public Health Act of 1875 was a turning point because it made it compulsory for local authorities to provide clean water, proper drainage, and sewage disposal. Unlike the 1848 Act, which was voluntary and widely ignored, the 1875 Act forced councils to act.
Several factors combined to make the 1875 Act possible. Science and technology: Pasteur’s Germ Theory (1861) provided scientific proof that dirty conditions caused disease, strengthening the case for sanitation. Individuals: Snow’s work on cholera and Chadwick’s reports built the evidence base. Government attitudes: The 1867 Reform Act gave working-class men the vote for the first time, meaning politicians now had to respond to their concerns about health and living conditions. Public pressure: repeated cholera outbreaks and the Great Stink made it impossible to ignore the problem.
The Impact of Public Health Reform
The improvements in public health during the late 19th century had a dramatic impact. Death rates from waterborne diseases like cholera and typhoid fell significantly. Life expectancy began to rise. Clean water, proper sewerage, and the employment of Medical Officers of Health in every area meant that the government had accepted a new role: protecting the health of its citizens.
However, progress was uneven. Wealthier areas improved faster than poorer ones, and many slum areas remained unhealthy well into the 20th century. The principle had been established, but full implementation took decades.