Middlesex-London Health Unit

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Environmental Health

Environmental health is the part of public health that looks at the natural and built environments that may affect human health. Environmental health issues can include food safety, drinking water safety, air quality, and other biological, chemical or physical things in the environment that can affect us. Environmental health aims to prevent the spread of disease and create healthy environments for people to live, work and play in.


Health Protection and Promotion Act

In Ontario, the Health Protection and Promotion Act (R.S.O. 1990, c. H.7),1 states that every board of health must make sure to provide certain health programs and services for the people who live in a health unit’s area. The Ontario Public Health Standards describe exactly which mandatory programs and services health units must deliver to the public, and environmental health is one of these programs and services.

What is the Middlesex-London Health Unit’s role?

As a board of health, the Middlesex-London Health Unit has many teams that work to deliver the mandatory programs and services. The Environmental Health Team works to provide, protect, and promote healthy environments.

The programs and services delivered under the Environmental Health Team include:

Public Health Inspectors

Public Health Inspectors are a main part of the Environmental Health Team. They work with members of the community to educate them about environmental health risks. Public Health Inspectors carry out inspections of public places in the community to make sure they meet the minimum standards set by the province of Ontario. They also follow up on reported environmental health risks to help keep the community safe.


Health Impacts of Climate Change in Middlesex-London

Front page of the MLHU's climate change report

View the report →


Current Weather

Currently: 13.2°C Mostly Cloudy

Source: Environment Canada

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Air Quality Health Index

Currently: 2 Low Health Risk
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Additional Information

For more information on the activities of the Environmental Health Team, please continue to browse this website, or speak to a Public Health Inspector on the Environmental Health Team by calling:

  • 519-663-5317 ext. 2300
Date of creation: February 28, 2013
Last modified on: August 23, 2017


1Ontario. Ministry of the Attorney General. (1990). Health Protection and Promotion Act, R.S.O. 1990, c. H.7. Retrieved from