Twelve Mile Creek at Power Glen

Water level and flow at gauge 02HA031, Ontario. The flow is well below normal for October (73% of the median). In the last 24 hours it has been steady.

Water level
5.09m16.70ft
+0 cm+0.0 in in 24 h
Flow
0.21m³/s7.42cfs
+0% in 24 h
Status
Very low
→ steady

Latest reading Oct 25, 11 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 20 years of monthly averages): 0.25 m³/s8.67 cfs – 0.42 m³/s14.9 cfs, median 0.29 m³/s10.1 cfs. Right now it is at 73% of the median.

Highest flow on record
39.9m³/s1,409cfs

May 1, 2017 · approved records 2007–2025 (HYDAT). Right now the flow is 1% of that record.

Compared with a year ago

7% lower than on October 25, 2025 (0.23 m³/s7.98 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

0.5 m³/s1.0 m³/s10 cfs20 cfs30 cfs40 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

5 m³/s10 m³/s15 m³/s200 cfs400 cfs600 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 19 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

Today

Sunny. High 19. UV index 4 or moderate.

Tonight

Partly cloudy. Low 10.

Monday

Mainly cloudy. High 17. UV index 3 or moderate.

Monday night

Cloudy periods. Low plus 5.

Forecast for St. Catharines (5 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Twenty Mile CreekBalls Falls · 9 km5.54 m18.16 ftBelow normal
Four Mile CreekVirgil · 16 km7.72 m25.32 ftVery high
Twenty Mile CreekAbove Smithville · 24 km2.87 m9.41 ftBelow normal
Welland RiverBelow Caistor Corners · 30 km0.89 m2.92 ftBelow normal
Oswego CreekCanborough · 36 km2.15 m7.04 ftNormal
Niagara RiverFort Erie · 36 km172.33 m565.39 ftBelow normal

About this gauge

Station: 02HA031 · Twelve Mile Creek Near Power Glen

Location: 43.1148, -79.2746 · Ontario

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Questions

What is the water level of the Twelve Mile Creek at Power Glen today?

The latest reading (Oct 25, 11 AM, local standard time) is 5.09 m (16.70 ft) with a flow of 0.21 m³/s (7.42 cfs).

Is the Twelve Mile Creek at Power Glen high right now?

The flow is well below normal for October (73% of the median).

Is the Twelve Mile Creek rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the Twelve Mile Creek at Power Glen?

39.9 m³/s (1,409 cfs) on May 1, 2017, the highest instantaneous flow in the approved records of the Water Survey of Canada (2007–2025). Events after 2025 are not yet in the approved archive.

How does the Twelve Mile Creek at Power Glen compare with a year ago?

The flow is 7% lower than on October 25, 2025 (0.23 m³/s (7.98 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 02HA031 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.