Welcome to NBMCA.ca
Leaders in Watershed Management!
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
Flood Watch continues - Lake Nipissing shoreline including parts of nearby creeks
(North Bay May 31, 2023). A FLOOD WATCH continues for the Lake Nipissing shoreline in the NBMCA watershed including areas in North Bay along Parks Creek from Marshall Avenue to the Lake; Chippewa Creek from Main Street to the Lake; and La Vase River from Riverbend Road to the Lake, according to the North Bay-Mattawa Conservation Authority (NBMCA).
MoreFLOOD WATCH - updated May 24,2023
A FLOOD WATCH continues for the Lake Nipissing shoreline in the NBMCA watershed including areas in North Bay along Parks Creek from Marshall Avenue to the Lake; Chippewa Creek from Main Street to the Lake; and La Vase River from Riverbend Road to the Lake. A Watershed Conditions Statement – Water Safety has ended for the Mattawa River subwatershed including the Town of Mattawa, according to the North Bay-Mattawa Conservation Authority (NBMCA).
MoreFlood Watch/Water Safety - updated May 17, 2023
A FLOOD WATCH continues for the Lake Nipissing shoreline in the NBMCA watershed including areas in North Bay along Parks Creek from Marshall Avenue to the Lake; Chippewa Creek from Main Street to the Lake; and La Vase River from Riverbend Road to the Lake. A Watershed Conditions Statement – Water Safety is in place for the Mattawa River subwatershed including the Town of Mattawa; and the Flood Warning has ended, according to the North Bay-Mattawa Conservation Authority (NBMCA).
MoreFlood Warning/Flood Watch - updated May 12, 2023
A FLOOD WARNING continues for the Mattawa River subwatershed including the Town of Mattawa, according to the North Bay-Mattawa Conservation Authority (NBMCA).
A FLOOD WATCH continues for the Lake Nipissing shoreline in the NBMCA watershed including areas in North Bay along Parks Creek from Marshall Avenue to the Lake; Chippewa Creek from Main St to the Lake; and La Vase River from Riverbend Rd to the Lake. Note that a Flood Watch has ended for other areas in the NBMCA watershed.
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FLOOD WARNING/FLOOD WATCH - Updated May 8, 2023
A FLOOD WARNING continues for the Mattawa River subwatershed including the Town of Mattawa, according to the North Bay-Mattawa Conservation Authority (NBMCA). A FLOOD WATCH continues for the Lake Nipissing shoreline and for all other areas in the NBMCA watershed.
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