Welcome to the Ganaraska Region Conservation Authority

The Ganaraska Region Conservation Authority's overall goal is the conservation, restoration, development and management of natural resources on a watershed basis while providing for the public enjoyment of the lands it oversees.

The Ganaraska Region Conservation Authority (GRCA) was formed in October 1946 under the Conservation Authorities Act and is one of the oldest conservation authorities in Ontario.

The watersheds of the GRCA covers an area of 361 square miles from Wilmot Creek in Clarington to east of Cobourg from the south shore of Rice Lake down to Lake Ontario. This area includes seven municipalities in whole or in part: Township of Cavan-Monaghan, Town of Cobourg, Township of Alnwick-Haldimand, Township of Hamilton, Municipality of Port Hope, City of Kawartha Lakes, Municipality of Clarington.

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Latest News

Remember to Check Your Well with the Changing Seasons

The Ganaraska Region Conservation Authority (GRCA) is reminding landowners with private water wells to check the water quality of their well water this fall. Along with changing the battery in your fire and carbon monoxide alarm, having your well water tested prior to winter is a great idea. In addition, it is recommended that your…

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GRCA Issues Flood Watch

Flood Watch: Moderate The Ganaraska Region Conservation Authority advises that over 50mm of rain has fallen since last night and another 10 to 15mm is possible before the rain tapers off this afternoon. Due to the heavy overnight rainfall, runoff to local streams will create higher than normal water levels and flows leading to potentially…

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