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St. Clair Region Conservation AuthoritySt. Clair Region Conservation Authority
St. Clair Region Conservation AuthoritySt. Clair Region Conservation Authority
Flood Status NORMALLow Water Status Level 1
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Flood Watch – March 1, 2021 – Event 2, Bulletin 3

Home Flood NoticesFlood Watch – March 1, 2021 – Event 2, Bulletin 3
Flooded Bench

Flood Watch – March 1, 2021 – Event 2, Bulletin 3

March 1, 2021
Highlights:

    • Deteriorating ice and snow
    • Potential for minor ice jamming
    • Minor flooding
Recent warm temperatures and 5-10 mm of rain over the weekend have resulted in further loss of snowpack across the region, elevating water levels on the Sydenham River into natural floodplain areas, farmland and parks. Remaining snowpack in the watershed is upwards of 15 cm in depth with a snow-water equivalent of 32 mm. Temperatures for this week are anticipated to continue the deterioration of snow in the region, however below-freezing overnight temperatures will partially slow melting. Water levels are anticipated to remain high in the coming days with levels elevating further in some areas with continued snow loss. Some roads may become impacted.

Ice on lakes and rivers continue to disintegrate and minor ice jams are possible as the ice moves through the watershed. Sections of the rivers are open however ice remains in the lower reaches of both, with brash ice currently at the outlet of the St. Clair River into Lake St. Clair. Canadian and U.S. Coast Guard vessels have been conducting ice flushing operations on the river.

Freezing spray and gale warnings are in effected for Southern Lake Huron. Strong northwesterly winds and anticipated to gust upwards of 70 km/h before subsiding overnight.

Residents are reminded to avoid shorelines, watercourses and flooded areas due to dangerous ice conditions, slippery banks and cold, swift moving water. Children and pets should be kept away from the water.

The Conservation Authority continues to monitor watershed conditions and will issue advisories to municipalities and media should flood issues arise.

Municipal emergency response staff and road superintendents should monitor local conditions closely.

This message will remain in effect until Wednesday, March 3, 2021, unless otherwise updated.

News & Blog

  • Tyson Lozon (right) is awarded with the A.W. Campbell Memorial Scholarship by St. Clair Region Conservation Authority Chair, Greg Grimes (left).St. Clair Region Conservation Authority Celebrates 2026 Conservation Scholarship Recipients
    July 21, 2026
  • Four people standing beside the Bradshaw Conservation Lands signTTLT and SCRCF Host Recognition Event at Bradshaw Conservation Lands
    June 2, 2026
  • Scholarships Available through the St. Clair Region Conservation Authority
    May 1, 2026
  • A woman standing in a forest with blue tubing attached to treesSCRCA Hosts A.W. Campbell Maple Syrup Festival March 21 – Alvinston Firefighters Association to Hold Pancake Breakfast March 21 and 22
    March 9, 2026
  • Two men standing and shaking handsSt. Clair Region Conservation Authority Celebrates a Year of Environmental Progress at 2026 Annual General Meeting
    February 27, 2026

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About Us

The St. Clair Region Conservation Authority is located in southwestern Ontario and includes the Sydenham River watershed and smaller watersheds draining directly into southern Lake Huron, the St. Clair River, and northeastern Lake St. Clair.

The Conservation Authority implements programs to reduce the risk to life and property from flooding and erosion; water and land stewardship; forestry; wildlife habitat creation and outdoor recreation.

Partner Links

  • Conservation Ontario
  • Thames-Sydenham & Region Source Protection Area
  • Healthy Lake Huron
  • Sydenham River Website
  • Friends of the St. Clair River
  • Forest Gene Conservation Association
  • Lake St. Clair Canadian Watershed Management Plan
  • Ontario Trillium Foundation

Connect with us!

  • St. Clair Region Conservation Authority
  • 205 Mill Pond Cres., Strathroy ON N7G3P9
  • 519-245-3710
  • 519-245-3348
  • stclair@scrca.on.ca

© 2026 · St. Clair Region Conservation Authority

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