News

Snow Survey Readings for January 16, 2026

Today’s snow survey measurements show a snow depth increase of 9.7 cm, and snow water equivalence decrease of 2.3 mm from the last survey on January 2.

Watershed Conditions Statement – Water Safety

A Watershed Conditions Statement – Water Safety has been issued for the North Bay – Mattawa watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA).

Snow Survey Readings for January 2, 2026

Today’s snow survey measurements show a snow depth increase of 10.4 cm, and snow water equivalence increase of 27.7 mm from the last survey on December 15.

Low Water Advisory – Level 1 Condition Issued for the North Bay – Mattawa Watershed

A Low Water Advisory for Level 1 Conditions has been issued for the North Bay-Mattawa watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA). This is downgrading the confirmed Level 2 Condition that was issued in October.

Snow Survey Readings for December 15, 2025

Today’s snow survey measurements show a snow depth increase of 8.0 cm, and snow water equivalence increase of 14.7 mm from the last survey on 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.

SNOW SURVEY READINGS for December 1, 2025

Snow observed on November 14, 2025 brought snow depths in Chisholm and North Bay above normal levels, though Corbeil remained snow-free. Today’s snow survey measurements show a snow depth increase of 9.0 cm, and snow water equivalence increase of 10 mm, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program.

NBMCA Members (Board) Expenses

NBMCA has now posted members' (board) expenses for 2023 and 2024.

Budget and Audited Financial Statements

Upcoming Public Information Session on PFAS

Community Notice – Upcoming Public Information Session on PFAS 

We want to help make sure our North Bay community is aware of this upcoming public information session.   

Date: Wednesday, November 19, 2025 
Time: 3:00–8:00 PM EST 
Location: Best Western North Bay Hotel & Conference Centre, 700 Lakeshore Dr, North Bay, ON 

Low Water Level 2 Conditions

A Low Water Advisory for Level 2 Conditions has been issued for the North Bay-Mattawa watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA). This is an upgrade from the Level 1 conditions that were confirmed in September. Level 2 conditions are meant to indicate a potentially serious water supply problem, based on precipitation and streamflow criteria.

Low Water Level 1 Conditions

Low Water Advisory for Level 1 Conditions has been issued for the North Bay-Mattawa watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA). This is the first indication for a potential water supply issue, based on precipitation and streamflow criteria.

"Streamflow across the watershed is low and there has been limited precipitation over the past three months, especially through July and August." said NBMCA Duty Officer Angela Mills. “Local stream gauges are reporting flow between 10% and 60% of normal for the month of August and conditions through September will need to be wetter than normal before low water conditions could end” She added.