Open Government Portal
Bathymetry is the measurement of water depth in lakes. From the 1940s to the 1990s, the Ministry of Natural Resources …
Many geometrical schemes - or map projections - are used to represent the curved surface of the Earth on map …
Get data on the results of a community led planning process to sustain the natural environment in Prince Edward County …
This data keeps the Ministry of Agriculture, Food and Agribusiness' records of modified or newly constructed drainage systems current. Constructed …
This oblique aerial imagery covers the main shoreline of Lake Simcoe and four of its islands (Georgina, Thorah, Fox and …
This collection represents the authoritative watershed boundaries for Ontario. The data is based on a framework similar to the Atlas …
A feature is a representation of a real world object, such as a lake, stream, dam or rapid. There are …
"As Canada’s nuclear regulator, the CNSC reviews the environmental protection measures put in place for every facility we regulate. The …
Municipal owners of potable water assets by drinking water advisories that exceeded 15 days (excluding those precautionary in nature), urban …
Wastewater volumes discharged by treatment category, province and territory.