Speed and Eramosa River flows
- Learn how to read these charts on our River and stream flows page.
- Many timeseries can be downloaded from our Data Downloads page.
Critical flows
| Gauge (Community) | Flow (m3/s) | Significance |
|---|---|---|
| Armstrong Mills | 0.6 | Normal summer low flow |
| Edinburgh Rd. (Guelph) | 1.7 | Normal summer low flow |
| 50 | Black Bridge Rd. flooded | |
| 255 | Channel capacity | |
| Road 32 (Guelph/Eramosa) | 2 | Normal summer low flow |
| Beaverdale Rd. (Cambridge) | 3.5 | Normal summer low flow |
| 50 | Mill Run Trail closed under 401 | |
| 50 | Riverside Park flooded | |
| Eramosa River at Watson Rd (Puslinch) | 0.9 | Normal summer low flow |
Location of flow gauges on the Speed and Eramosa rivers
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.