Flood Warning continues, Flood Outlook issued for Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam

April 15, 2026

Watershed Conditions Statement – Flood Outlook has been issued for the Lake Nipissing Shoreline and Mattawa River downstream of Hurdman Dam and a Flood Warning remains in effect for the North Bay-Mattawa watershed, according to the North Bay-Mattawa Conservation Authority (NBMCA).

"Approximately 80 mm of rain fell across the watershed between April 12 and 14. Month-to-date, more than 174% of normal April precipitation has been recorded at the North Bay Airport,” said Angela Mills, NBMCA Flood Duty Officer. "Additional rainfall is anticipated for the coming week with 30-40 mm cumulative rain forecast mostly on Thursday (Apr 16) and Saturday."

More

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.

More

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).

More

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.

More

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.

More

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.

More

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).

More

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.

More

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.

More

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).

More