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Blue-Green Algae Research Study

Update to Blue-Green Algae Research Project

The City of Moncton:

  • takes the lead dealing with the continuing blue-green algae issue in the Irishtown and McLaughlin reservoirs;
  • has partners assisting in this research project including the University of Moncton, Crandal University, University of New Brunswick, Department of Environment, Department of Health and local landowners all working together on a plan to mitigate the occurance of  blue greens;
  • started weekly sampling in May with signs of the algae evident in the water column;
  • will post weekly updates to the website as conditions change;
  • will install advisories in the bulletin boards at the Irishtown nature park; and
  • will install signage to reflect the conditions of the water quality in the park.

The reservoir continues to be OPEN for recreation at this time.

As the temperatures warm and the algae grow, a precautionary advisory will be issued as residents and users of the park will start to see the green surfacing in the bays (as concentrations of algae increase with warmer temperatures and sunny hazy weather).

Testing for algae


Frequently Asked Questions




Heather Fraser

City of Moncton