Welcome to NBMCA.ca
North Bay-Mattawa Conservation Authority
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.
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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MoreSnow Survey Readings for January 2, 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.
MoreNBMCA Watershed Conditions Statement - Water Safety, Dec 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).
MoreFlood Watch and Watershed Conditions Statement - Flood Outlook
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
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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