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.

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

Plans Underway for Return of Mattawa River Canoe Race June 8 2024

December 12, 2023

Plans are underway to host the Mattawa River Canoe Race on June 8, 2024, with the support of paddlers, volunteers, sponsors, and donors.

More

Follow NBMCA on social!

November 28, 2023

You're welcome to join the conversation!

Like. Share. Follow. Comment.

Facebook - theNBMCA

X (Twitter) - @theNBMCA

Instagram - nbmcainfo

Be the first to know.  Subscribe to our news & update in the sidebar at right.

More

Snow Survey Readings for February 15, 2024

February 15, 2024

With daytime high temperatures mostly above 0 ºC, little snowfall and some rain over the past two weeks today’s measured snowpack is below the historic minimum for this time of year reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program. The snowpack has increased by 1.0 cm and the snow water equivalent increased by 3.7 mm since the last snow survey on February 1, 2024. 

More

Snow Survey Readings for February 1, 2024

February 01, 2024

With the mild weather and below normal precipitation the last two weeks, the snowpack is well below normal for this time of year reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program. The snowpack has decreased by 6.5 cm and the snow water equivalent increased by 4.3 mm since the last snow survey on January 15, 2024. 

More

Shelley Belanger elected NBMCA Chair

January 26, 2024

The North Bay-Mattawa Conservation Authority (NBMCA) Board Members elected Papineau-Cameron Councillor Shelley Belanger as Chair at its Annual General Meeting Jan 24.  Mattawan Twp’s Michelle Lahaye was elected Vice Chair.

More

Want to see NBMCA videos?  Subscribe to our YouTube Channel!