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URL: https://open.canada.ca/data/en/dataset/c50e3bb8-97f5-48be-a910-a8a7b59f85ff
Hamilton Harbour is located at the west end of Lake Ontario. It was designated as one of 43 Areas of Concern in 1987 under the GLWQA where 11 beneficial uses of the harbour were deemed impaired. One of the primary recommendations of the Hamilton Harbour Remedial Action Plan was to decrease nutrient loads to Hamilton Harbour and establish water quality targets to decrease undesirable algae and improve water clarity. This long term data set consists of spatial and temporal water quality data collected in Hamilton Harbour since 1987 to measure ecological response of remedial efforts.
Supplemental Information
Funding for this study was provided in part by the Government of Canada’s Great Lakes Action Plan (GLAP) and in support to the Hamilton Harbour Area of Concern. .
In 1987 under the revised Great Lakes Water Quality Agreement, 43 areas of concern (AOC), 12 of which are located in Canada, were identified as having severely impaired beneficial uses and water quality. As funded by the Great Lakes Action Plan, a Remedial Action Plan was formed for each area of concern bringing together experts from government, industry, municipalities and environmental non-government organizations to address these impacts. Today over 900 restoration projects have been successfully completed by Environment and Climate Change Canada and partners including Wastewater Treatment Plant upgrades, fish and wildlife habitat restoration, and water quality improvements. Today Wheatley Harbour (Lake Erie), Collingwood Harbour and Severn Sound (Georgian Bay) have been de-listed as an area of concern. Spanish Harbour and Jackfish Bay (Lake Superior) are now areas in recovery. Today scientific monitoring and research is continuing in the remaining AOCs to measure response of remedial efforts.
For more information please visit: https://www.canada.ca/en/environment-climate-change/services/great-lakes-protection/areas-concern.html
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Additional Information
| Field | Value |
|---|---|
| Data last updated | January 16, 2026 |
| Metadata last updated | January 16, 2026 |
| Created | January 16, 2026 |
| Format | unknown |
| License | License not specified |
| Datastore active | False |
| Has views | False |
| Id | 7376b473-d7f3-4e02-ab5d-4a64e9afc55d |
| Package id | a6f0a0d4-3a55-468f-877d-80cb0e54f619 |
| Position | 0 |
| State | active |