Blackstock Creek at Blackstock
Water level and flow at gauge 02HG003, Ontario. The flow is well below normal for October (37% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 8 AM 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 17 years of monthly averages): 0.09 m³/s3.14 cfs – 0.29 m³/s10.2 cfs, median 0.16 m³/s5.65 cfs. Right now it is at 37% of the median.
April 3, 2009 · approved records 2006–2025 (HYDAT). Right now the flow is 1% of that record.
16% lower than on October 25, 2025 (0.07 m³/s2.47 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 17 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. Fog patches dissipating this morning. Wind becoming south 20 km/h late this morning. High 17. UV index 4 or moderate.
Partly cloudy. 30 percent chance of showers overnight. Low 8.
Cloudy. 30 percent chance of showers in the morning. Wind becoming northwest 20 km/h in the morning. High 14. UV index 3 or moderate.
Cloudy. Low minus 2.
Forecast for Port Perry (10 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Lake ScugogScugog Island Marina · 7 km | 9.01 m29.55 ft | No normal yet |
| Pigeon RiverLotus · 11 km | 2.67 m8.75 ft | Very low |
| Mariposa BrookLittle Britain · 18 km | 2.28 m7.47 ft | Normal |
| Wilmot CreekLeskard · 20 km | 1.15 m3.76 ft | Normal |
| Mackie CreekHampton · 21 km | 2.82 m9.26 ft | Very low |
| Lynde CreekBrooklin · 22 km | 4.79 m15.73 ft | Very low |
About this gauge
Station: 02HG003 · Blackstock Creek Near Blackstock
Location: 44.1319, -78.8290 · Ontario
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 Blackstock Creek at Blackstock today?
The latest reading (Oct 25, 8 AM, local standard time) is 2.89 m (9.49 ft) with a flow of 0.06 m³/s (2.08 cfs).
Is the Blackstock Creek at Blackstock high right now?
The flow is well below normal for October (37% of the median).
Is the Blackstock Creek rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Blackstock Creek at Blackstock?
6.31 m³/s (223 cfs) on April 3, 2009, the highest instantaneous flow in the approved records of the Water Survey of Canada (2006–2025). Events after 2025 are not yet in the approved archive.
How does the Blackstock Creek at Blackstock compare with a year ago?
The flow is 16% lower than on October 25, 2025 (0.07 m³/s (2.47 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02HG003 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.