Watershed Conditions/Flood Advisories

Under its Flood Forecast and Warning, the Conservation Authority issues a variety of messages to the public providing the latest information on flood threats and watershed conditions. These messages are sent to local emergency services, the media as well as those watershed residents located in high risk areas.

Current Advisories and Statements

Flood Warning has been downgraded to a Water Conditions Statement – Water Safety on October 16, 2018.

Water Conditions Statement-Mattagami River  and Porcupine Lake_October 16 2018

Flood Warning – Mattagami River_October 11 2018

Watershed Condition Statement-Water Safety_October 10, 2018

Watershed Conditions – 2018

Upper Mattagami River Watershed Statistics – 04.18.2018
Upper Mattagami River Watershed Statistics – 04.03.2018
Upper Mattagami River Watershed Statistics – 03.19.2018
Upper  Mattagami River Watershed Statistics – 03.05.2018

General Terminology

The messaging terminology used by the Conservation Authority is listed below and was developed for use across the Province of Ontario.

 

NORMAL – No flood conditions to report.

 

WATERSHED CONDITIONS STATEMENT – Water Safety

High flows, unsafe banks, melting ice or other factors that could be dangerous for recreational users such   as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.

WATERSHED CONDITIONS STATEMENT – Flood Outlook

Early notice of the potential for flooding based on weather forecasts calling for heavy rain, snow melt, high wind or other conditions that could lead to high runoff, cause ice jams, lakeshore flooding or erosion.

FLOOD WATCH

Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individual landowners in flood-prone areas should prepare.

FLOOD WARNING

Flooding is imminent or already occurring in specific watercourses or municipalities.