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.
Celebrating 50 years!
Boardwalk of Champions
Join in the celebration
and help us recognize
our unsung
watershed heroes!
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!
Trails & Events
Looking to hike, bike, or ski?
Paddle a historic canoe route?
Explore our natural heritage?
Take part in an environmental festival or special event?
News
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MoreSnow survey season begins
After this week’s snow squalls off Georgian Bay, there’s a fairly consistent layer of wet snow in our area, with less snow at the Chisholm snow survey station, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program.
MoreDonor thank you and ribbon cutting officially opens new boardwalks at Laurier Woods Conservation Area
(North Bay, ON. November 16, 2023) It takes a village to care for our watershed, and on November 16, Friends of Laurier Woods and the North Bay-Mattawa Conservation Authority came together to thank donors, funders, volunteers, and community leaders who contributed to the two new boardwalks at the much-loved Laurier Woods Conservation Area.
MoreWater Safety Statement
A Water Safety Statement has been issued for the North Bay Mattawa Conservation Authority watershed jurisdiction, according to the North Bay-Mattawa Conservation Authority (NBMCA).
MoreFlood Watch and Water Safety Statement
A Flood Watch has been issued for the urban creeks in the City of North Bay. A Water Safety Statement has been issued for all other areas of the watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA).
More