Water Testing Portal

Submit your water sample information and get your test report quickly online through our Water Testing Portal.

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Quick Access

Viral hemorrhagic fevers (VHFs) include a number of severe, life-threatening illnesses caused by viruses such as Ebola, Marburg, and Lassa.

Webpage
Updated 27 July 2026

Interactive Report

Provides 10 years of analyzed data on diseases of public health significance in Ontario and a preliminary provincial snapshot of current data for selected diseases.

Webpage
Updated 16 July 2026

Focus On

Current scientific evidence for indoor heat thresholds for adverse health effects, factors affecting indoor temperature, and ways to modify it and the effects on health.

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Published 8 July 2026

At a Glance

Provides an overview of vaccine safety monitoring in Ontario and its integration within the broader Canadian system. It is intended for public health professionals and health care providers who report adverse events following immunization.

383 KB
Updated 30 June 2026

Interactive Report

Explore geographical surveillance data on vector-borne diseases in Ontario, including human cases, mosquito and tick surveillance, and blacklegged tick established risk areas.

Webpage
Updated 29 July 2026

Events

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