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The Mattagami Region Conservation Authority (MRCA) is located in northeastern Ontario and covers approximately 11,000 square kilometers of land and water including the Mattagami and Porcupine Watersheds. The MRCA is one of 36 Authorities established in the Province of Ontario. Read more about us...
Updates
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News Releases
Website under re-development
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Advisories & Warnings
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Advisories & Warnings
Flood Watch Cancelled – Water Levels Dropping
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Advisories & Warnings
Flood Watch Still in Place – Water Levels Dropping Slowly
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Advisories & Warnings
Water Levels Will Continue to Rise
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