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.
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.
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
NBMCA Delivers Essential Service During Stay-at-Home Order
During the Provincial Emergency and Stay-at-Home Order issued by the province on April 8, 2021, the North Bay-Mattawa Conservation Authority will continue to deliver programs that have been deemed an “Essential Business/Service” by the Ontario/Canadian government.
MoreSnow Survey Readings for January 13, 2022
(North Bay, Ontario, January 14, 2022) Snow depth has increased by 14.6 cm and water content has increased by 18 mm since the last readings on January 4, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program.
MoreSnow Survey Readings for December 15, 2021
Due to a few mild days, rain and below zero temperatures there is a slight decrease in snow depth and an increase in water content since the last readings December 1, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program.
MoreRemoval of trees, limbs, plants for holiday decorations not permitted
(North Bay, December 8, 2021) The North Bay-Mattawa Conservation Authority (NBMCA) is reminding people this holiday season that it is illegal to remove trees, limbs, berries and other vegetation from Conservation Areas.
MoreSnow Survey Readings for December 1, 2021
SNOW SURVEY READINGS Begin for 2021-2022 Season
(North Bay, Ontario, December 3, 2021) Snowfall in the area has allowed for the start of the snow survey season this week, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program.