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Low Flow Condition Report

Table summarizing the most recent low water flow conditions by watercourse.

Grand River Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
Marsville --- - 0.9
Galt --- - 15
Brantford --- - 20
Conestogo River Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
St. Jacobs --- - 4.8
Speed River Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
Armstrong Mills --- - 0.3
Eramosa River --- - 1.1
Edinburgh Road --- - 1.8
Nith River Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
New Hamburg --- - 0.6
Canning --- - 4.2
Mill Creek Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
Mill Creek --- - 0.5
Whitemans Creek Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
Mt. Vernon --- - 1.6
McKenzie Creek Sites Timestamp 7 Day Mean (m3/s) Normal Summer Flow (m3/s) Flow Condition
McKenzie --- - 0.6

Flow condition description

The current condition at the gauge based on an average flow over the last 7 days.

  • Normal: Flows are at or above 70 percent of their normal summer flow.
  • Below Normal: Flows are between 50 and 70 percent of their normal summer flow.
  • Extremely Low: Flows are between 30 and 50 percent of their normal summer flow.
  • Critically Low: Flows are less than 30 percent of their normal summer flow.

Provisional Data

Caution: Users of the GRCA's real-time data are cautioned to consider the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business.

The Grand River Conservation Authority assumes no responsibility for the correctness of the information contained in this website nor liability to any user of such information, regardless of the purpose.

Warning! River levels and flows can change rapidly.

Contact Us

Grand River Conservation Authority
400 Clyde Road, PO Box 729
Cambridge, ON
N1R 5W6
Phone: 519-621-2761
Toll Free: 1-866-900-4722
grca@grandriver.ca