Welcome to www.nbmca.ca

Spring 2019 Flood Event

North Bay-Mattawa Conservation Authority

NBMCA was founded in 1972 by the Province of Ontario and the NBMCA’s 10 member municipalities.
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.

Spring 2019 Flood Event

NBMCA issued a Flood Warning on April 21 for waterways in our jurisdiction and it remains in effect.  
The combination of snowmelt, precipitation and already high water levels in area streams and rivers have created flooding conditions throughout the watersheds within NBMCA's jurisdiction (see map). 
(Please note NBMCA does not provide flood forecasting for the Parry Sound District.) 
Updates on the status of the flood forecast are posted on our website under
Spring 2019 Flood Event Updates and the "News" section below.

For updates on the status of the Flood Warning, you can also follow us on  Facebook.   Twitter.   Instagram.

If you think that your property may be at risk of flooding, please contact your municipality.
If you live in an unorganized township in Nipissing District, contact the Ministry of Natural Resources and Forestry District office at 705-475-5529.   

Please share photos of conditions in your area using #NBMCAFlood on all social media and include the location of the photograph.

Thank you. NBMCA Communications & Outreach.  705-474-5420

Be a Steward!

Prevent Erosion and Runoff!

Planting trees and shrubs along the shoreline or stream bank at your home, farm or cottage is one of the ways you can help protect and preserve water quality. 


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.


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?  


Flood Warning Downgraded to Flood Watch for Lake Nipissing

June 19, 2019

(North Bay June 19, 2019 – 3 pm)   Water levels on Lake Nipissing have lowered enough for the Flood Warning to be downgraded to a Flood Watch and the Parks Creek Backflood Control Structure to be shut down today by the North Bay-Mattawa Conservation Authority. The Flood Warning for Lake Nipissing had been in place since April 25, 2019.


Mattawa River upgraded to Flood Warning

June 17, 2019

A Flood Watch has been put in place for the lower Mattawa River below the Hurdman Dam due to precipitation and increased flow from upper reservoirs.  

The Flood Warning remains in effect for Lake Nipissing and all other water courses remain as Water Condition Statement - Water Safety.


Flood Warning extended again for Lake Nipissing

June 14, 2019

(North Bay June 14, 2019 – 2 pm)   Water levels on Lake Nipissing remain high after spiking due to the widespread rainfall, prompting the North Bay-Mattawa Conservation Authority to extend the flood warning for the North Bay and Callander shoreline of Lake Nipissing to Tuesday, June 18.


Flood Warning - Extended to June 14

June 11, 2019

(North Bay June 11, 2019 – 1:15 pm)   The rain that has fallen has caused a rise in local water levels, and there’s more to rain to come this week, prompting the North Bay-Mattawa Conservation Authority to extend the flood warning for the North Bay and Callander shoreline of Lake Nipissing to Friday, June 14.


Flood Warning Extended for Lake Nipissing

June 07, 2019

(North Bay June 7, 2019 – 2 pm)   With water levels still high on Lake Nipissing, the Flood Warning for the North Bay and Callander shorelines of Lake Nipissing has been extended to June 11 by the North Bay-Mattawa Conservation Authority.  See more below for the full release.  For an update on the Spring 2019 Flood Conditions visit the Flood Update page. 


2018 Year in Review



Register today for the 43rd Annual Mattawa River Canoe Race - July 27, 2019



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