Data on fish contaminants is collected across Ontario. Contaminants are chemicals that could be harmful to environment and human health. Toxic contaminants can enter in...

Recipients of a community fund that issues grants to organizations working to protect and restore the Great Lakes. Organizations could receive a grant up to $25,000 for...

The catalogue provides a means for a user to determine which management measures and management targets are suitable to effectively manage a specific threat to the quality or...

The Toxics Reduction Act requires the ministry to consult with experts and the public at least once every five years about possible changes to the lists of substances that are...

Data contains toxics planner's license number, expiration date, name, contact information and location. Proposed Changes to the Toxic Reduction Program We are proposing...

Data are contaminants in tissue of caged mussels put in the river for 3 weeks at about 25 stations located on the Canadian and US side of the river. The main objective of the...

The Toxics Reduction Act aims to protect the health of people and the environment by reducing the use and emission of the toxic substances prescribed in this list. The Toxics...

Concentration levels from soil sampled in urban and rural parklands in the province. Data includes: station name and location (rounded to 1 km precision) sample date results...

The ministry monitors air pollution levels and issues smog advisories when there is strong likelihood that widespread, elevated, and persistent smog levels are expected. This...

135 locations from Killarney to Honey Harbour were surveyed between 2003 and 2005 (3 times a year representing spring, summer and fall conditions) across a spectrum of...

Ontario-focused high resolution climate information and its application. The data contains the 50th percentile high resolution probabilistic projections of annual averaged...

Get data describing benthic-invertebrate (bottom dwelling aquatic invertebrates) community structure and habitat conditions in various waterbodies. This dataset includes:...

The Ontario Forest Biomonitoring Network (OFBN) monitors the effects of regional air quality and climate change on mixed hardwood forest health across southern and central...

Data contains project type, project information, project status and project county, district or region.

Industrial wastewater monitoring data submitted quarterly to the Ministry of the Environment. This reporting is required by the Effluent Monitoring and Effluent Limits...

This data set includes information on sampling locations, water chemistry and chlorophyll collected at 18 locations in the Great Lakes-St. Lawrence River and 4 locations in Lake...

Companies or organizations who take over 50,000 litres of water/day from a lake, river, stream or groundwater source, must obtain a Permit to Take Water from the Ministry of the...

This hazardous waste dataset contains spatial information about generators, carriers and receivers of hazardous and liquid industrial waste. Also contains the volumes and...

The Ministry of the Environment, Conservation and Parks publishes an annual report on environmental penalties issued in the previous calendar year for certain land or water...

Get data about the water quality for Ontario's inland lakes. The data is collected through volunteer monitoring efforts – citizen science. The Lake Partner Program (LPP)...