Welcome to NBMCA.ca

Leaders in Watershed Management!

North Bay-Mattawa Conservation Authority

NBMCA was founded in 1972 by the Province of Ontario and its 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.
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

Flood Watch continues - Lake Nipissing shoreline including parts of nearby creeks

May 31, 2023

(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).

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FLOOD WATCH - updated May 24,2023

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).

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Flood Watch/Water Safety - updated May 17, 2023

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).

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Flood Warning/Flood Watch - updated May 12, 2023

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

May 08, 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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