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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 Notice Types
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    • Low Water Response
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    • Erosion Control Projects
    • Great Lakes and Connecting Channels
  • Watershed Services
    • Tree Planting / Woodlot Services
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Watershed Conditions Statement – September 21, 2013 – Flood Event 5, Bulletin 1

Home Flood NoticesWatershed Conditions Statement – September 21, 2013 – Flood Event 5, Bulletin 1

Watershed Conditions Statement – September 21, 2013 – Flood Event 5, Bulletin 1

September 21, 2013

Highlights:

  • 60mm – 80mm of precipitation received in many areas over past 24 hours
  • High water levels and increasing flows over next 24 to 48 hours
  • No additional precipitation forecast

Current:

Water levels on the Sydenham River and its tributaries are rising as a result of significant rainfall over the past 24 hours notably in the upper reaches of the watershed. High water levels are currently being recorded in the upper East Branch of the Sydenham near Strathroy with near bank full conditions. Recorded levels are increasing through the remainder of the watershed and are expected to continue to rise throughout today and into Sunday

Short Term:

No significant additional precipitation is forecast for today and tomorrow however higher water levels can be anticipated as increased flows pass through the watershed. This is expected to result in potentially dangerous conditions as a result of sudden changes and fast moving flows over the next 24 to 48 hours. Drains, floodplains and smaller watercourses in upstream areas may experience localized flooding in some areas. Conditions are anticipated to moderate into Monday once flows return to normal conditions.

Municipal officials and road superintendents should monitor local conditions.

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

Residents are reminded to avoid watercourses and flooded areas due to slippery banks and swift moving water. Parents in particular are urged to keep their children away from floodplain areas.

The St. Clair Region Conservation Authority will monitor the flood condition of the watersheds in the region and will provide warnings to municipal officials and media in the event conditions develop which could result in the potential of flooding.

Update: As required.
Contact: Girish Sankar, Water Resources Engineer
at 519-245-3710 ext.247 after hours at 519-617-1935
Confirmation: Confirmation of receipt of this message is not required

News & Blog

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  • 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

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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

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

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