Bear Creek at Petrolia
Water level and flow at gauge 02GG006, Ontario. The flow is normal for October (162% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 12 PM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 59 years of monthly averages): 0.08 m³/s2.86 cfs – 1.62 m³/s57.2 cfs, median 0.36 m³/s12.7 cfs. Right now it is at 162% of the median.
April 14, 1979 · approved records 1967–2024 (HYDAT). Right now the flow is 0% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 58 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Weather near this gauge
Sunny. High 19. UV index 4 or moderate.
Partly cloudy. Fog patches developing overnight. Low 7.
A mix of sun and cloud. Fog patches dissipating in the morning. High 15. UV index 4 or moderate.
Clearing. Low plus 2.
Forecast for Sarnia (23 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Bear CreekBelow Brigden · 18 km | 3.93 m12.90 ft | Normal |
| Perch CreekSarnia · 18 km | 2.49 m8.17 ft | Very low |
| Black CreekBradshaw · 20 km | 6.35 m20.84 ft | Normal |
| Sydenham RiverAlvinston · 23 km | 10.51 m34.47 ft | Below normal |
| Sydenham RiverFlorence · 30 km | 3.06 m10.05 ft | Normal |
| Ausable RiverParkhill · 40 km | 1.63 m5.36 ft | Normal |
About this gauge
Station: 02GG006 · Bear Creek Near Petrolia
Location: 42.9058, -82.1191 · Ontario
Same river: Below Brigden
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Bear Creek at Petrolia today?
The latest reading (Oct 25, 12 PM, local standard time) is 4.12 m (13.51 ft) with a flow of 0.58 m³/s (20.6 cfs).
Is the Bear Creek at Petrolia high right now?
The flow is normal for October (162% of the median).
Is the Bear Creek rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Bear Creek at Petrolia?
226 m³/s (7,981 cfs) on April 14, 1979, the highest instantaneous flow in the approved records of the Water Survey of Canada (1967–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 02GG006 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.