Environment and Climate Change Canada

A station is a site on a river or lake where water quantity (water level and flow) are collected and recorded.

The daily mean is the average of all unit values for a given day.

The annual maximum and minimum instantaneous data are the maximum and minimum instantaneous values for a given year.

The annual maximum and minimum daily data are the maximum and minimum daily mean values for a given year.

The monthly mean is the average of daily mean values for a given month.

Neonicotinoids are the most widely used insecticides in the world and selective toxicity has resulted in the rapid and ubiquitous use of these compounds. Neonicotinoids are a class of neuro-active insecticides chemically similar to nicotine and are widely used in agriculture to protect crops from...

Lake Simcoe is located North of Toronto in Ontario, Canada and is a premier destination for tourists generating $200 million in revenue annually. Lake Simcoe is the 4th largest lake in Ontario with a surface area of 722 square kilometers and a watershed of 2900 square kilometers. Lake Simcoe has...

Athabasca River (includes sites M2, M3, M4, M5, M6, M7 [2011-March 2018]) Water quality chemistry data for 17 sites in the lower Athabasca River (LAR), the Peace and Slave rivers, and their tributaries, including measurements of major ions, nutrients, metals (dissolved and total) and organics...