Bennett Lake

Higher than usual

Water level is higher than usual for mid-September and falling.

Low (0.69m)Normal rangeHigh (1.22m)

Current Weather

Sep 20

18°C

Wind NNW 9 km/h

Humidity 53%

Mainly sunny

Environment Canada — Smiths Falls - Lanark - Sharbot Lake

vs. Last Year

No data available

7-Day Trend

↓Falling

Down 5.9 cm over the past week

-5.9 cm over 7 days

Seasonal Position

82nd percentile

Based on 21 years of records

Seasonal Outlook

Typical next 7 days

This lake usually holds steady over the next week.

Typical next 14 days

Over two weeks, levels typically rises slightly.

Tracking

This year is moving slower than usual.

Based on 22 years of seasonal patterns. Moderate historical coverage. This is a historical seasonal pattern, not a forecast.

Fish Consumption Advisories (7 species)

The following consumption advisories are in effect for fish caught in Bennett Lake.

Bluegill

Contaminant	Size	General pop.	Sensitive pop.
Lead	20-25 cm	16/month	16/month
Lead	15-20 cm	16/month	16/month

Brown Bullhead

Contaminant	Size	General pop.	Sensitive pop.
Lead	30-35 cm	16/month	—
Lead	25-30 cm	16/month	—
Mercury	30-35 cm	—	16/month
Mercury	25-30 cm	—	16/month

⚠Northern Pike

Contaminant	Size	General pop.	Sensitive pop.
Lead	35-40 cm	16/month	—
Lead	30-35 cm	16/month	—
Mercury	40-45 cm	12/month	4/month
Mercury	45-50 cm	12/month	4/month
Mercury	50-55 cm	8/month	4/month
Mercury	55-60 cm	8/month	4/month
Mercury	60-65 cm	8/month	4/month
Mercury	65-70 cm	8/month	Do not eat
Mercury	30-35 cm	—	12/month
Mercury	35-40 cm	—	8/month

Smallmouth Bass

Contaminant	Size	General pop.	Sensitive pop.
Mercury	35-40 cm	16/month	4/month
Mercury	20-25 cm	16/month	8/month
Mercury	25-30 cm	16/month	8/month
Mercury	30-35 cm	16/month	4/month

⚠Walleye

Contaminant	Size	General pop.	Sensitive pop.
	20-25 cm	32/month	—
Mercury	50-55 cm	8/month	Do not eat
Mercury	55-60 cm	4/month	Do not eat
Mercury	40-45 cm	12/month	4/month
Mercury	45-50 cm	8/month	4/month
Mercury	20-25 cm	—	16/month
Mercury	25-30 cm	16/month	8/month
Mercury	30-35 cm	16/month	8/month
Mercury	35-40 cm	16/month	4/month

White Sucker

Contaminant	Size	General pop.	Sensitive pop.
	40-45 cm	32/month	—
Mercury	45-50 cm	16/month	4/month
Mercury	40-45 cm	—	16/month

Yellow Perch

Contaminant	Size	General pop.	Sensitive pop.
	20-25 cm	32/month	—
Mercury	25-30 cm	12/month	4/month
Mercury	20-25 cm	—	16/month

Source: Guide to Eating Ontario Fish (2025). Advisory data is updated annually.

Water Level — Last 30 Days

Technical details

Current level: 1.03 m
Reference value: 1.03 m (rolling_6h_mean)
Percentile for date: 82nd percentile
Years of record: 21
Source station: FALL RIVER AT OUTLET OF BENNETT LAKE (02KF018)
Est. average depth: —
Relationship type: lake_outlet
Mapping confidence: medium
Today's normal range: 0.87–1.02 m
Same-date historical range: 0.69–1.22 m
30-day change: -13.8 cm
Data confidence: medium
Observed at: Sep 20, 2026
Last snapshot: Sep 20, 2026

Data source: ECCC Water Office — Station 02KF018. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.