Flood Warning issued for North Bay-Mattawa watershed

April 14, 2026

A Flood Warning has been issued for most of the North Bay – Mattawa watershed and a Watershed Conditions Statement – Water Safety continues for the Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam.

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FLOOD WATCH for North Bay-Mattawa watershed and Watershed Conditions Statement – Water Safety for Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam

April 13, 2026

A Flood Watch has been issued for the North Bay-Mattawa watershed and a Watershed Conditions Statement – Water Safety continues for Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam, according to the North Bay-Mattawa Conservation Authority (NBMCA).

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Watershed Conditions Statement - Flood Outlook and Watershed Conditions Statement - Water Safety - Apr 9

April 09, 2026

The Flood Watch previously issued for Chippewa Creek and Wasi River has been downgraded to Watershed Conditions Statement – Flood Outlook which also continues for most of the NBMCA watershed and a Watershed Conditions Statement – Water Safety continues for the Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam.

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City of North Bay to Purchase Escarpment Lands from Conservation Authority

April 07, 2026

The City of North Bay is purchasing the building and surrounding lands owned by the North Bay-Mattawa Conservation Authority (NBMCA) along the Laurentian escarpment.

The $1.4 million purchase agreement was backed by the NBMCA Board last week and was approved by Council this evening.

The purchase includes approximately 50 hectares of land, including Laurentian Ski Hill and the Interpretive Centre building, which houses the Conservation Authority’s offices.

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Flood Watch issued for the Wasi River and Chippewa Creek

April 03, 2026

A Flood Watch has been issued for the Wasi River through Chisholm, East Ferris, and Callander and Chippewa Creek in North Bay. A Watershed Conditions Statement – Flood Outlook continues for most of the NBMCA watershed and a Watershed Conditions Statement – Water Safety continues for the Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam.

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Watershed Conditions Statement – Flood Outlook and Watershed Conditions Statement – Water Safety

April 02, 2026

A Flood Outlook for most of the North Bay-Mattawa watershed, along with a Watershed Conditions Statement - Water Safety for the Lake Nipissing Shoreline and the Mattawa River downstream of Hurdman Dam, have been issued according to the North Bay-Mattawa Conservation Authority (NBMCA).

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Snow Survey Readings for March 23

March 23, 2026

Snow survey measurements show a snow depth increase of 3.6 cm, and snow water equivalence increase of 9.3 mm from the last survey on March 18.

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Snow Survey Readings for March 18

March 18, 2026

Snow survey measurements show a snow depth increase of 9.9 cm, and snow water equivalence increase of 39.7 mm from the last survey on March 9.

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Watershed Conditions Statement – Flood Outlook - March 13

March 13, 2026

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

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NBMCA Board Supports Conservation Authority Modernization, Calls for Protection of Local Expertise and Services

March 12, 2026

The Minister of Environment, Conservation and Parks has announced the province’s plan to move forward with consolidation of Ontario’s 36 conservation authorities into nine regional organizations under a new Ontario Provincial Conservation Agency, with full implementation targeted for early 2027. The North Bay-Mattawa Conservation Authority (NBMCA) Board has reviewed the announcement and offers the following response on behalf of the communities it serves.

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