FLOOD WARNING for Lake Nipissing Shoreline (Callander and North Bay), La Vase River downstream of Lakeshore Dr, Parks Creek, and Mattawa River downstream from Hurdman Dam (updated)

May 07, 2026

A FLOOD WARNING remains in effect for the Lake Nipissing Shoreline, La Vase River downstream of Lakeshore Dr, Parks Creek, and the Mattawa River downstream of Hurdman Dam. The Watershed Conditions Statement- Flood Outlook for the remainder of the watershed has ended.

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FLOOD WARNING - Lake Nipissing Shoreline (Callander and North Bay), La Vase River downstream of Lakeshore Dr, Parks Creek, and Mattawa River downstream of Hurdman Dam (UPDATE)

April 30, 2026

A Flood Warning remains in effect for the Lake Nipissing Shoreline, La Vase River downstream of Lakeshore Dr, Parks Creek, and the Mattawa River downstream of Hurdman Dam. The Watershed Conditions Statement- Flood Outlook remains in effect for the remainder of the watershed.

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FLOOD WARNING for Lake Nipissing Shoreline (Callander and North Bay), La Vase River downstream of Lakeshore Dr, Parks Creek, and Mattawa River downstream from Hurdman Dam

April 27, 2026

A FLOOD WARNING has been issued for the Mattawa River downstream of Hurdman Dam.

A FLOOD WARNING remains in effect for the Lake Nipissing Shoreline, La Vase River downstream of Lakeshore Dr, and Parks Creek.

The Flood warning in the remainder of the watershed has been downgraded to Watershed Conditions Statement- Flood Outlook.

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FLOOD WARNING for North Bay-Mattawa watershed and Lake Nipissing Shoreline and Flood Watch for Mattawa River downstream of Hurdman Dam

April 21, 2026

A Flood Watch has been issued for the Mattawa River downstream of Hurdman Dam. A FLOOD WARNING has been issued for the Lake Nipissing Shoreline in North Bay and Callander and also remains in effect for the remainder of the North Bay – Mattawa watershed.

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Parks Creek Backflood Control Operations will start today

April 17, 2026

North Bay-Mattawa Conservation Authority (NBMCA) will begin operating the Parks Creek Backflood Control structure, located at the Eva Wardlaw Conservation Area at the mouth of Parks Creek on Lake Nipissing along Lakeshore Drive.

The stop logs will be added to the Parks Creek Dam today, and the internal pump turned on to draw down the creek in anticipation of rising water levels in Lake Nipissing in the coming days.

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FLOOD WATCH for Lake Nipissing Shoreline (Callander and North Bay)

April 17, 2026

A Flood Watch has been issued for the Lake Nipissing Shoreline in North Bay and Callander. A FLOOD WARNING remains in effect for the remainder of the North Bay – Mattawa watershed, except where a Watershed Conditions Statement – Flood Outlook remains in effect for the Mattawa River downstream of Hurdman Dam.

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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."

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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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