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Contaminants surveillance data in freshwater at sites in the Pacific Basin are included in this dataset. Measurements may include physical-chemical parameters such as temperature, pH, alkalinity, and major ions; nutrients, metals, pharmaceuticals and personal care products, pesticides and persistent organic pollutants. The number of sites varies from year-to-year, and sampling frequencies vary from one location to another, as surveillance activities are adjusted according to evolving environmental pressures and governmental programs. Data are collected in order to determine baseline water quality status, evaluate the effectiveness of management actions, verify compliance with water quality objectives, and identify emerging issues.

Water quality and suspended sediment monitoring and surveillance data collected from the connecting channels of the Great Lakes to determine baseline water quality status, long term trends and spatial distributions, the effectiveness of management actions, determine compliance with sediment quality objectives and identify emerging issues are included in this dataset. The Great Lakes are joined together by river systems known collectively as connecting channels, including the St. Marys River, the St. Clair River (and Lake St. Clair), the Detroit River, the Niagara River, and the St. Lawrence River. Uniquely, the connecting channels originate from the outflow of one or more large, oligotrophic lakes rather than the accumulation of a network of tributaries.

This data set provides pesticide sample analyses results for stream water samples for the province’s Pesticide Monitoring Program. The sampling includes a total of 9 rivers across PEI, with at least 3 of the rivers being sampled each year. Stream water samples are collected at least once per year during wet weather sampling conditions. Department staff collects the samples, which are then sent to a laboratory for analysis.

Air emissions from oil sands development can come from a number of sources including industrial smokestacks, tailings ponds, transportation, and dust from mining operations. Air quality monitoring under the Joint Canada-Alberta Implementation Plan for the Oil Sands is designed to determine the contribution of emissions from oil sands activities to local and regional air quality and atmospheric deposition both now and in the future. Deposition data include:

• Passive Sampling of PACs deployed for two month periods across a network of 17 sites

• Active sampling of PACs at three sites to inform the amount of dry deposition

• Particulate metals (24 hour integrated samples following the one in six day National Air Pollution Surveillance (NAPS) cycle)

The Great Lakes Basin (GLB) Monitoring and Surveillance program under the Chemicals Management Plan (CMP) of Environment and Climate Change Canada (ECCC) has been operating since 1990 as a result of provisions called for in the Great Lakes Water Quality Agreement (GLWQA) between Canada and the United States. The1987 revision called for the determination of the loadings of toxic contaminants to the Great Lakes, and the renewed GLWQA of 2012 calls for the assessment of atmospheric loadings of chemicals of mutual concern (CMCs). The GLB program works in collaboration with the United States Integrated Atmospheric Deposition Network (US IADN) of the US Environmental Protection Agency (EPA) in order to monitor the spatial and temporal atmospheric trends, and atmospheric loadings of a number of CMCs to the Great Lakes basin. Atmospheric concentrations are measured in particles, vapour, and precipitation.

Monitoring and surveillance data on the concentration of contaminants in selected species of fish and other aquatic biota collected to determine the environmental trends in contaminant levels and relationship to sources of pollution, the effectiveness of management actions, and the risk to fish and fish-consuming wildlife in the Great Lakes aquatic ecosystem are included in this dataset.

This dataset contains measurements of pesticide concentrations in stream water samples collected at selected streams in Ontario. The Ministry of the Environment, Conservation and Parks (MECP) and Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) jointly collaborate to monitor pesticides in selected tributaries in southern Ontario. There are currently 19 monitoring sites within watershed or predominately agricultural land. The data includes: * Location of 21 stations (19 of which are currently active) * Pesticide concentration levels

The Ministry of the Environment, Conservation and Parks started a project to determine the potential levels and occurrence of neonicotinoid insecticides in Ontario source waters and treated drinking waters, in support of Ontario's Pollinator Health Action Plan. Samples were collected from four drinking water systems that participate in the Drinking Water Surveillance Program. Locations selected for monitoring focused on areas with significant corn/soybean acreage and history of pesticides detections. View this data on an interactive map This dataset is related to the following: 1.

This data set provides pesticide sample analyses results for drinking water samples for the province’s Pesticide Monitoring Program. Over 100 wells are monitored annually, with samples being collected in drinking water wells of private homes, schools, municipalities, and seniors’ housing facilities. Sampling of the wells is conducted each January/February by Departmental staff. The samples are sent to a laboratory in New Brunswick for analysis.

Freshwater mussels contribute important ecological functions to aquatic systems. The water filtered by mussel assemblages can improve water quality, and the mixing of sediments by burrowing mussels can improve oxygen content and release nutrients. However, nearly 70 percent of North American freshwater mussel species are listed as either endangered, threatened, or in decline. In Ontario, 28 species are in decline or in need of protection.