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

For Immediate Attention

May 29, 2024

It is with regret that the NBMCA Board of Directors announces that Chithra Gowda has informed us of her resignation from her position as the Chief Administrative Officer at the North Bay Mattawa Conservation Authority effective June 10, 2024.  She is taking an exciting role with another Conservation Authority in eastern Ontario, and looking forward to being close to family living in the area.   

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Flood Watch for Lake Nipissing Shoreline in North Bay, Callander, and Parks Creek subwatershed

May 16, 2024

(North Bay May 16, 2024). A Flood Watch notifies that the potential for flooding exists within specific watercourses and municipalities. Municipalities, emergency services and individual landowners in flood-prone areas should prepare.

“Lake Nipissing's water level is below its maximum 'non-damage' level, and it is continues to decrease with reduced inflows," explained Angela Mills, the Flood Duty Officer at the North Bay-Mattawa Conservation Authority (NBMCA).

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Parks Creek Backflood Control Operations

April 24, 2024

North Bay-Mattawa Conservation Authority (NBMCA) continues to operate the Parks Creek Backflood Control structure, located at Eva Wardlaw Conservation Area at the mouth of the Parks Creek on Lake Nipissing near Lakeshore Drive and Marshall Avenue in North Bay.

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Follow NBMCA on social!

November 28, 2023

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2024 MATTAWA RIVER CANOE RACE A SUCCESS! THREE RECORDS BROKEN!

June 10, 2024

Fifty-nine teams from across the province and a few from out of province and even one paddler from out of country participated in North Bay-Mattawa Conservation Authority’s Mattawa River Canoe Race presented by Susan Weiskopf, Senior Financial Planner - IG. Paddlers launched from Olmsted Beach, North Bay and made their way through the 64 km trek, five mandatory portages and average water levels to Mattawa Island, competing for the top spot in the North Bay-Mattawa Conservation Authority’s race.

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