Welcome to NBMCA.ca

North Bay-Mattawa Conservation Authority

NBMCA was founded in 1972 by the Province of Ontario.
As a community-based, non-profit environmental organization, NBMCA is dedicated to
conserving, restoring, developing and managing renewable natural resources on a watershed basis.
NBMCA is one of 36 Conservation Authorities who are members of Conservation Ontario.
NBMCA acknowledges that we are in Robinson-Huron Treaty territory, the Traditional Territory and Treaty Lands
of the Nbisiing Anishinaabeg, as well as the unceded and ancestral Traditional Territory
of the Algonquin People and the Metis Nation.

Want to honor a Watershed Champion?

Boardwalk of Champions

Our watershed overflows with champions, people whose actions - big and small - have contributed to the health and well-being of our families, our neighbourhoods, our communities, our environment and our watershed.

Permits

Development and On-site Sewage

Permits are one tool for balancing human needs with the needs
of the natural environment, protecting people and property
from natural hazards.

Science

Integrated Watershed Management

From water quality monitoring and flood forecasting to drinking water source protection, NBMCA uses science to make watershed management decisions. 

Get Outside!

Conservation Areas

Looking to hike, bike, or ski?
Paddle a historic canoe route?
Explore our natural heritage?
  

News

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November 28, 2023

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More

Snow Survey Readings for January 2, 2025

January 02, 2025

The snowpack is dense and granular as a result of the recent rain and melt event, reports the North Bay-Mattawa Conservation Authority who measures snow depth and water content as part of its Flood Forecasting and Warning Program. 

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NBMCA Watershed Conditions Statement - Water Safety, Dec 31, 2024

December 31, 2024

A Watershed Conditions Statement - Water Safety has been issued for the North Bay Mattawa Conservation Authority watershed jurisdiction, according to the North Bay-Mattawa Conservation Authority (NBMCA).

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Flood Watch and Watershed Conditions Statement - Flood Outlook

December 29, 2024

A Flood Watch has been issued for the urban creeks in the City of North Bay and Watershed Conditions Statement – Flood Outlook has been issued for elsewhere in the North Bay-Mattawa watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA).

 

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Snow Survey Readings for December 16, 2024

December 16, 2024

The snowpack across the watershed is dense and is expected to melt with the above freezing temperatures forecast for today (Dec 16) and tomorrow, combined with approximately 10 mm of rain overnight. Last week’s Watershed Conditions Statement – Flood Outlook remains in place through Wednesday when temperatures are forecast to return to below freezing.

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