Twenty Mile Creek above Smithville water level

Name: Twenty Mile Creek above Smithville water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, Twenty Mile Creek, Ontario, Canada

Directions

Low for mid-October

Water level

2.89m Steady over the last 24 hours

Measured Oct 19, 2026, 05:05 PM EDT (1 hour ago)

Flow: 0.01 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Low water at Twenty Mile Creek above Smithville: the gauge reads 2.89 m, below normal for mid-October.

That puts it 0.10 m below the median of 2.99 m for mid-October, based on 21 years of readings. A year ago it stood at 2.86 m (+0.03 m).

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 2.87 m – 2.97 m.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 2.99 m0.10 m below the median for this date
Normal for this date: 2.88 m – 3.33 m8 years in 10 fall in this range (21 years of records)
Same day last year: 2.86 m+0.03 m
Lowest and highest in 30 days: 2.87 m – 2.97 m
Lowest and highest in 12 months: 2.87 m – 3.81 m

Freshet, ice and paddling

Open-water season is the time for canoe trips and fishing, though rapids change character with every few centimetres of water.

Flood advisories come from the provincial river forecast centre.

About Twenty Mile Creek

The Twenty Mile Creek is a minor waterway, located in the Niagara Peninsula, Ontario, Canada. The creek is named for the location of its mouth, twenty miles (32 km) west of the Niagara River along the Lake Ontario shoreline. It is also known by the Indigenous name for the creek, which is located within the Mississauga traditional territory, of Kenachdaw, which translates to Lead River.

Weather at the gauge

Rain in the last 3 days: 13 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 20° 5° – Wind 17 km/h

20 Tue 15° 7° – Wind 21 km/h

21 Wed 13° 3° – Wind 13 km/h

22 Thu 16° 6° – Wind 10 km/h

23 Fri 13° 6° – Wind 23 km/h

24 Sat 15° 5° – Wind 12 km/h

25 Sun 18° 7° – Wind 28 km/h

Forecast: Open-Meteo

Sunrise 07:37 AM Sunset 06:31 PM Daylight 10 hr, 53 min First quarter 62%

Map

Other gauges on Twenty Mile Creek

Gauge	Level	Compared with normal	24 hours	Distance
Twenty Mile Creek at Balls FallsRiver gauge, Twenty Mile Creek	5.54 m	Low	±0	15 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Welland River below Caistor CornersRiver gauge, Welland River	0.86 m	Very low	±0	11 km
Oswego Creek at CanboroughRiver gauge, Oswego Creek	2.19 m	Normal	−0.01 m	17 km
Twelve Mile Creek near Power GlenRiver gauge, Twelve Mile Creek	5.10 m	Normal	±0	24 km
Grindstone Creek at Hidden Valley ParkRiver gauge, Grindstone Creek	8.33 m	High	±0	32 km
McKenzie Creek near CaledoniaRiver gauge, McKenzie Creek	1.22 m	Normal	±0	32 km
Ancaster Creek at AncasterRiver gauge, Ancaster Creek	0.12 m	Low	±0	35 km
Fourteen Mile Creek at OakvilleRiver gauge, Fourteen Mile Creek	1.27 m	Very low	±0	36 km
Spencer Creek at DundasRiver gauge, Spencer Creek	6.02 m	Normal	−0.01 m	36 km

Questions and answers

How does Twenty Mile Creek above Smithville compare with last year?

It is 0.03 m higher than on the same day last year, when the reading was 2.86 m.

What is a normal level for Twenty Mile Creek above Smithville in mid-October?

The median for mid-October is 2.99 m. In 8 years out of 10 the reading falls between 2.88 m and 3.33 m, based on 21 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 2.89 m on the gauge does not mean the water is that deep.

What is the water level of Twenty Mile Creek above Smithville today?

On Oct 19, 2026, 05:05 PM EDT, the water level was 2.89 m. Steady over the last 24 hours.

Is Twenty Mile Creek above Smithville rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Twenty Mile Creek above Smithville normal?

Low for mid-October. Compared with 21 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02HA020 (Agency page)
Coordinates: 43.11564, -79.56619 (WGS84)
Vertical datum: station datum (assumed datum)
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.89 m	2026-10-19 21:05	Provisional
Flow	0.01 m³/s	2026-10-19 21:05	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/19761?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Twenty Mile Creek above Smithville water level"></iframe>

How to cite

Environment and Climate Change Canada – Water Survey of Canada: Twenty Mile Creek above Smithville (eccc:02HA020). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/twenty-mile-creek-above-smithville

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer