Theodosia River Diversion above Olsen Lake
Water level and flow at gauge 08GC005, British Columbia. The flow is well below normal for October (23% of the median). In the last 24 hours it has been rising.
Latest reading Oct 25, 5 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 25 years of monthly averages): 5.07 m³/s179 cfs – 7.52 m³/s266 cfs, median 6.44 m³/s227 cfs. Right now it is at 23% of the median.
October 22, 2014 · approved records 2001–2024 (HYDAT). Right now the flow is 1% 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 24 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
Periods of rain ending this morning then cloudy with 40 percent chance of showers. High 10. UV index 1 or low.
Cloudy. 40 percent chance of showers early this evening. Clearing before morning. Low plus 3.
Sunny. High 10. UV index 1 or low.
Increasing cloudiness. Low plus 5.
Forecast for Powell River (29 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Theodosia River Diversion Bypass08GC006 · 0 km | 6.81 m22.33 ft | Below normal |
| Theodosia RiverBelow Olsen Lake Diversion · 0 km | 3.74 m12.28 ft | Very low |
| Theodosia RiverAbove Scotty Creek · 6 km | 3.37 m11.04 ft | Very low |
| Horseshoe RiverAbove Lois Lake · 34 km | 2.24 m7.36 ft | Below normal |
| Campbell RiverArgonaut Wharf · 51 km | 3.35 m10.99 ft | Very high |
| Campbell RiverCampbell River Lodge · 53 km | 0.57 m1.88 ft | Very high |
About this gauge
Station: 08GC005 · Theodosia River Diversion Above Olsen Lake
Location: 50.1292, -124.5406 · British Columbia
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 Theodosia River Diversion above Olsen Lake today?
The latest reading (Oct 25, 5 AM, local standard time) is 9.55 m (31.33 ft) with a flow of 1.51 m³/s (53.3 cfs).
Is the Theodosia River Diversion above Olsen Lake high right now?
The flow is well below normal for October (23% of the median).
Is the Theodosia River Diversion rising or falling?
In the last 24 hours it has been rising.
What is the highest flow ever recorded on the Theodosia River Diversion above Olsen Lake?
233 m³/s (8,228 cfs) on October 22, 2014, the highest instantaneous flow in the approved records of the Water Survey of Canada (2001–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 08GC005 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.