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Industrial wastewater monitoring data submitted quarterly to the Ministry of the Environment. This reporting is required by the Effluent Monitoring and Effluent Limits (EMEL/MISA) Regulations. Data is available by individual years. [EMEL]: Effluent Monitoring and Effluent Limits [MISA]: Municipal...

This data set includes information on water quality of lakes and streams across Ontario since 1976. It includes: * major anions and cations * nutrients * chlorophyll * metals Data were collected as part of routine monitoring of water quality of inland waters and for scientific and research purposes.

This dataset includes information on biological communities in lakes and streams across Ontario since 1976. Biological communities sampled include: * crayfish Data were collected as part of routine monitoring of water quality of inland waters and for scientific and research purposes.

Every year, the Ministry of the Environment Conservation and Parks publicly releases the Environmental Compliance Report on the Ontario Data Catalogue. In Ontario, all facilities with regulated wastewater discharges or air emissions under the Ontario Water Resources Act and the Environmental...

This dataset includes the following information for public registered and municipal drinking water supplies: Site Name, County, Date Boil Advisory Issued, Date Boil Advisory Removed, Facility Type (Registered or Municipal), Length of Advisory in Days, Reason for the Report. This dataset includes...

The Nova Scotia Automated Surface Water Quality Monitoring Network was established in 2002 to assess water quality in surface waters across the province at five stations. In 2019 the station list was modified to reduce overlap with Environment and Climate Change Canada surface water quality...

This tabular dataset is the result of an analysis supporting the indicator 'Long-term Trends in Groundwater Levels in B.C.' published by Environmental Reporting BC in 2019. The analysis used groundwater level monitoring data from the Provincial Groundwater Observation Well Network as well as...

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 waterbodies in different ways and can accumulate in fish. Contaminants include: * mercury * polychlorinated biphenyls (PCBs) *...

Directory of Licensed Well Contractors This directory lists all well contractors licensed in Ontario. Listings in the directory should not be taken as advice or a recommendation of any individual contractor. The directory is updated periodically. We strongly recommend that you ask well...

Manual snow survey sampling from snow courses consisting of 10 measurement points. Measurements of snow water equivalent (SWE), and snow density are expressed as an average across the snow course. Measurements are taken three times a year at the start of March, April , and May.