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Protected wellfield polygons are a graphical representation of wellfield boundaries as defined in the Clean Water Act – Wellfield Protected Area Designation Order. Attributes include municipality, designation number, zones and associated wellfield ID’s.

Cyanobacteria (also referred to as blue-green algae) are common photosynthetic bacteria that live in surface waters. Under favorable conditions, such as warm water and high nutrient content, these bacteria can form nuisance “blooms”. The presence of blooms in recreational water causes unpleasant...

Fish consumption advisories for Ontario's lakes and rivers are available in the Guide to Eating Ontario Fish. The zip file below includes a GIS shapefile of all lake/river locations and a text file of all consumption advisory data from the current edition of the Guide. Fish consumption advice map...

In 2006, the Government of Canada initiated the Chemicals Management Plan (CMP), which takes action regarding chemicals that are harmful to human health or the environment. One element of the CMP is Monitoring and Surveillance, which generates data on the presence and levels of chemical...

An Area of Concern (AOC) is a location where environmental quality is degraded compared to other areas in the Great Lake Basin resulting in the impairment of beneficial uses. A total of 43 AOCs were identified as a result of Annex 2 of the Great Lakes Water Quality Agreement (GLWQA).The...

Get data describing benthic-invertebrate (bottom dwelling aquatic invertebrates) community structure and habitat conditions in various waterbodies. This dataset includes: * counts of different kinds of benthic invertebrates * water chemistry * information about collected samples (geographic...

Provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride. The Provincial (Stream) Water Quality Monitoring Network (PWQMN) measures water quality in rivers and streams across Ontario. This dataset provides stream water...

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...

Groundwater level search results include data from 14 groundwater level observation wells across PEI; mapped locations of observation wells; graphs; and downloadable raw data. The groundwater level data provides long-term trend information, both historical and real-time, on groundwater levels.

This Data set provides detailed information about the quality of drinking water. The application provides a summary of the on-going testing of drinking water done by the Prince Edward Island Analytical Laboratories.The summary results will show values for the following parameters: alkalinity,...